magic-gigapans
Northern Virginia Community College
Annandale, VA
Public Images
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Sediment from Cushendun, Northern Ireland
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Rose quartz
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Shatter cones, Vredefort impact structure, South Africa
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Sediment from Blackbird Caye, Turneffe Atoll, Belize
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Moldavite
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Castner Marble
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Mather Gorge
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Giant current ripples, Crescent Bar, WA
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Marble Breccia, Plane Polars
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Obsidian trio
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Paleoproterozoic gneiss, Clear Creek Canyon, Colorado
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Northern Hueco Mountains Escarpment
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Contact between Fauquier Formation marble and Catoctin Formation greenstone, near Lime Kiln Road, Virginia
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Chippokes Plantation, near visitor center
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Beach Sand from Punta Uva, Puerto Viejo, Limon, Costa Rica
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Corona Heights Fault, San Francisco
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Pseudotachylyte from Asbestos Mountain, CA, Plane Polars
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Sedimentary Rocks Lab Sample L
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Volcanic rocks exposed at Eshaness, Shetland
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"Dunbar Marble": Mississippian limestone chock full of rugose corals
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Lamprophyre dikes on the Virginia side, visible from the Billy Goat Trail
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Igneous Rocks Lab Sample J
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Giant current ripples from Missoula Megafloods, Crescent Bar, Washington
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Unknown Igneous Rock Sample
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Wills Mountain, The Narrows, Cumberland, Maryland
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Catoctin Formation metabasalt showing amygdules and asbestos veins
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Microbially induced sedimentary structures, Barberton
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Diptera 1105a
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Eyjafjallajökull from Flotshlid
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Glycymeris trio
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Meteorite Northwest Africa 869, cut face
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Red Bluff Granite
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Calvert Formation, Scientists' Cliffs, Maryland (#4 of 8)
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Sediment from the end of the swimming run at Blue Spring State Park, Orange City, Florida
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Blastoid, top view
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Difficult Run Migmatite 1
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Porphyroblastic schist, Glen Roy, Scotland
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Graphite, 3330x
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Graywacke, Plane Polars
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Augen Gneiss, Crossed Polars
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Folded and faulted rocks at Summerleaze Beach, Bude
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Prom?
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Petrified wood
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Amethyst
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Graded bedding in the Mechum River Formation, Sharp Top
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Limestone (biosparite)
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Bloomsburg Formation outcrop
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Sediment from Wicklow Beach, Ireland
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Fort Valley from Buzzard Rocks
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Slickensides of epidote in diorite
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Grand Canyon - Hopi Point Overlook 180 Degree Panorama View
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Titanite
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Flathead Sandstone, Wind River Canyon, Wyoming
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Komatiite, Barberton Greenstone Belt
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Ilmenite
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Georgetown Intrusive Suite, Rock Creek Park, Washington, DC
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Icelandic valley #2
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Folded strata of the Silurian Tonoloway Formation
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Calcite and [?] precipitated on gneiss used as aquarium decoration, face 3 of 3
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Waterfall Formation boulder
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Sedimentary Rocks Lab Sample U
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Chancellor Group showing deformation, Yoho National Park, British Columbia, Canada
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Serpentine Marble, Crossed Polars
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Martinsburg Formation, Millner Road (near Deer Rapids Road), Shenandoah County, Virginia
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Pyrite in greenschist
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Snowball Earth Educational Rock Sample Suite 7
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Kilbourne Hole 360, January 2009
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Trilobite, Devonian of Morocco
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Tempestite
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View west from Woodstock Tower, Massanutten Mountain
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Fig Tree Formation banded chert
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Garnet in Castner Marble, Franklin Mountains, West Texas
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Mistaken Point
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Porphyritic Andesite, Crossed Polars
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Grand Canyon GigaView #25 Blacktail Canyon
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Holland Point, Virginia
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Sandstone
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Athabasca Glacier with prominent lateral moraines
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Peridotite from the Josephine Ophiolite, California
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Dropstones in weakly-lithified "silt-ite" from Looking Glass Highway, east of Glacier National Park
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Sphalerite, Plane Polars
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Quartz
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Permian Peaks - Sheep Mountain Anticline, Wyoming
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Igneous Rocks Lab Sample E
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Giant's Causeway, Northern Ireland
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Shear zone in granite
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Lepidodendron
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Stretched belemnite fossil
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Chambersville - Base of the Foreknobs Formation
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Strophomenid brachiopods
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Diptera tipulidae 2380a
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Conococheague Formation at Mulberry Run, showing stromatolites
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Metamorphic Rocks Lab Sample D
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Double-Terminated Quartz Crystals
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Grind of the Navir
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Travertine at Tumbling Run
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Dike cross-cutting Colonsay Group meta-sediments, Machir Beach, Islay, Scotland
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Wall of Makanda Sandstone, Giant City State Park, Illinois
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Mylonite, North-West Highlands, Scotland
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Oriskany sandstone, crossed polars
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Coiba Mica - Coiba Mare cave system (here is the Coiba Mare entry), Apuseni Mountains, Transylvania, Romania
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Stoer group unconformity (over Lewisian gneiss), Clachtoll, Scotland.
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Fossils in the Martinsburg Formation
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Gowganda Tillite
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The Quake Lake Slide - Hebgen Lake, Montana
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Red slate with elongated reduction spots
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Enstatite, Plane Polars
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Quarry in Rockfish Conglomerate
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Sediment from Fiumefreddo, Sicily
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Ordovician Oneota Dolomite 1
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Unknown Sedimentary Rock Sample
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Outcrop of upturned Paleozoic strata on Highway 16
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Mudcracks and gypsum casts
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Ostracodes and brachiopods in Tonoloway Formation limestone
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K/T boundary. Gubbio, Italy #4
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Sand from Siesta Key, Florida
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Spherulitic felsite dike, Shetland
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Spinifex texture in komatiite, Barberton Greenstone Belt, South Africa
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Buck Reef Chert
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Actinolite in Actinolite Schist, Crossed Polars
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Cape Granite
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Polysynthetic Twinning in Albite, Plane Polars
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Setters Schist
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Coal Bed, Corridor H, West Virginia
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Tiny faults and folds
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Antietam Breccia 2
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Ecphora gardnerae, interior view
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Shark Bay 1
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Albite in Diorite, Crossed Polars
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Castile Fm. Evaporites
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Archean-aged phyllite, Ontario, Canada
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Kink banding in Laurel Formation of Rock Creek Shear Zone, Broad Branch, Washington, DC
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Folds exposed at Riggins, Idaho
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Ammonite
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Conglomerate with Hematite Cement, Crossed Polars
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Blastoid, side view
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Harpers Formation at Jefferson Rock, Harpers Ferry, West Virginia
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Green Tuff from Jawbone Flats, Oregon
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Conemaugh Group, showing paleoslump and fluvial scour features, Corridor H, West Virginia
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Castner Marble roadcut in Franklin Mountains
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Baraboo Quartzite - Van Hise Rock
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Calcite
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Azurite and malachite
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Heat-treated amethyst
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Blue kyanite
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Cross-cutting features in a block of limestone
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Graptolite fossils, Martinsburg Formation
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Lewisian gneiss exposed near Durness, Scotland
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Coastal ecology, West Boothbay Harbor, Maine
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Porphyritic green metavolcanic rock, St. Anthony, Newfoundland
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Olivine in Gabbro, Plane Polars
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Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC
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Urbanite
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Strobilus cone fossil
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Volcaniclastic sediment, Kirkjufjara Beach, Iceland
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Old Man of Hoy
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Lycopsid bark
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Outcrop along Highway 15, Oman
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Epidosite, Plane Polars
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The Rock and Spindle, Kinkell Ness, Scotland
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Tremolite in quartzite
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Sediment from Sandy Cove, Newfoundland and Labrador
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Pool at Hofsos, #2
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Mahantango Formation, showing Zoophycos trace fossils
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Buck Reef Chert, Barberton Greenstone Belt
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Sand from Crescent City Beach, Crescent City, California
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Graded bed in Martinsburg Formation turbidites, Peach Orchard Gap, Virginia
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Ernietta Hill
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Martinsburg Formation, South Page Valley Road, Page County, Virginia
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Scoria
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Buzzard Rocks
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"Talking Bears" Outcrop - Sheep Mountain Anticline, Wyoming
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Foreknobs Formation - Baker section 2
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Diptera tipulidae 1215
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Martinsburg Formation, Millner Road and Bethel Road, Shenandoah County, Virginia
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Semionotid fish (Triassic), Culpeper Basin, Virginia
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Siccar Point, Scotland
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Weverton Formation exposed at Thoroughfare Gap, Virginia
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Thin Section of the Doushantuo Phosphorite
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Mudcrack Wall, limestone quarry on Old Route 55, West Virginia
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Diptera tipulidae 007
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Healed break in hadrosaur bone
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Paleoslump and Fluvial Incision Structures, Conemaugh Group, Corridor H, West Virginia
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Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC
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Sediment from the Moray Coast, Northeast Scotland
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Gunflint SCH55 22A
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Augen gneiss
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Antietam Formation (quartzite) breccia with iron and manganese oxide cement
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Sandstone of Hampshire Formation, Corridor H, West Virginia
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Magnetite with Fayalite
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Sand from the Sea of Siam, Pattaya, Thailand
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Sediment from Big Run, Shenandoah National Park
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Beach cobbles, Mill Bay, Rathlin Island, Northern Ireland
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Magnetite-Rich Sand from Fort Funston Beach, San Francisco, CA
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Mantle xenolith
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Brallier Formation - Baker section 6
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Echinoid
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Amphibolite, Crossed Polars
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Unconformity east of Portrush
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Pemaquid Point, Maine
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Shear zone in gabbro
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Stromatolites, Helena Formation, near Crypt Lake, Waterton Lakes National Park, Alberta
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Snowball Earth Eduational Rock Sample Suite TS-7
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Pressure solution seams
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Stretched beach cobbles, Funzie Bay, Fetlar
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Martinsburg Formation, South Page Valley Road, Page County, Virginia
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Fault scarp at Þingvellir
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Clastic dike
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Contact between Fauquier Formation marble and Catoctin Formation greenstone, near Lime Kiln Road, Virginia
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Bluestone Limestone, Carrier Library Exterior, James Madison University
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Serpentine, var. chrysotile
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Stromatolites, Helena Formation, near Crypt Lake, Waterton Lakes National Park, Alberta
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Sediment from Glass Beach, Ft. Bragg, California
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Red cross-beds (annotated)
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Foreknobs Formation - Corridor H Needmore section 2
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Metamorphic Rocks Lab Sample T
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Trilobite Pseudogygites, Ontario, Canada
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S-C fabric in Rockfish Conglomerate, Virginia Blue Ridge
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Diptera 248
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Mahantango Formation
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Walker Top mylonite
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Diamictite of the Gaskiers Formation
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Clay shale
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Chlorite Schist, Plane Polars
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Unknown Sedimentary Rock Sample
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Faulted granite dike, Rock Creek Park, Washington, DC
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Rockwell Formation diamictite, plane polars
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Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
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Contact between Fauquier Formation marble and Catoctin Formation greenstone, near Lime Kiln Road, Virginia
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Upper Jurassic Morrison Fm. - Sheep Mountain Anticline, Wyoming
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Mylonite
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Sediment from Accotink Creek, Fairfax, Virginia
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Sea stacks and sea bird nesting sites, north of West Lighthouse, Rathlin Island, Northern Ireland, U.K.
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Fossil Annularia and Mariopteris nervosa
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Microbead found in sediment from Accotink Creek, Fairfax, Virginia
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Great Unconformity, Wind River Canyon, Wyoming
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Evaporite texture in Tonoloway Formation
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Sediment from Tennessee Valley Beach, California
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Patuxent River Tributary Sediment at 5020x
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Phyllite, Plane Polars
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Brallier Shale on NEW New WV 55 (version 1)
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Rockwell Formation concretion, side A
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Sediment from Fernandina Beach, Amelia Island, Florida
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Duplex Structure in the Gastropod Limestone, Sandy Hollow, Montana
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Mylonite
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Big Rocky Run Sediment at 4680x
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Ozark Cave
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Limestones near Carlsbad, New Mexico
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Diptera tipulidae 2223b
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Mahantango Formation showing trace fossils, Fort Valley Road, Virginia
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Foram from Andros Island, Bahamas, 2900x
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Sulfur
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Folded turbidites at Saligo Bay, Islay, Scotland.
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Rockwell Formation diamictite, crossed polars
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Leopard Rock of the Beartooth Highway
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Heliophylum halli
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Diorite, Crossed Polars
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Rockwell Formation diamictite
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Rockwell Formation diamictite, Sideling Hill, Maryland
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Graptolites from Dob's Linn, Scotland
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Old Red Sandstone, cliff at Dunbar, Scotland
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Granitoid dike from Clear Creek Canyon, Colorado
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Flute casts in Brallier Formation shale
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Reaction rim
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Pyrrhotite
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Ball and pillow
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Isognomon
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Andalusite
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Physical Geology Mineral Lab Sample 2b
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Sandstone with Calcite Cement, Crossed Polars
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Dike contact exposed at Kildonan, Arran, Scotland
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Hymenoptera 1121
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Phlogopite
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Imbricate zone, Durness Limestones, North-West Highlands, Scotland
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Pteridinium from Farm Aar
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Cooling columns, Catoctin Formation, exposed at Indian Run Overlook, Skyline Drive, Shenandoah National Park, Virginia
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Red Hole, Passage Creek, George Washington National Forest, Virginia (#2 of 2)
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Mylonite, North-West Highlands, Scotland
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Cushendun Conglomerate of the Cross Slieve Group, Cushendun, Northern Ireland
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Skolithos in the Hampshire Formation
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Chert
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Shark teeth and whale vertebra
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Conglomerate with Hematite Cement, Plane Polars
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Ash from Mount St. Helens
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Anorthosite, Adirondack Mountains, New York
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Hueco Tanks
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Maidens Gneiss, Plane Polars
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Garnet
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Papil Water, Fetlar, Shetland
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Heavy Mineral Sediment from Carmel Beach, California
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Calcite in Precambrian-Aged Amygdaloidal Basalt, Crossed Polars
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Indian Ocean microconcretion
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Albite
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Hueco Group anthill
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The Clydesdale Fault, Washington, DC
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Slickenfibers in serpentenite
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Just a cool rock.
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Blueschist (fine-grained; ~phyllite)
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Rippled Eldon Formation
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Sand from Calvert Cliffs State Park, Maryland
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Greenland Gap Group Shale - Bergton, VA
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Igneous Rocks Lab Sample G
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Foreknobs formation- Corridor H Needmore section 3
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Grind of the Navir
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Mahantango Formation showing trace fossils, Fort Valley Road, Virginia
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Chesapecten middlesexensis
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Sediment from Mt. Suswa, Kenya
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Sand from Zatoka, Odessa Oblast, Ukraine
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Spherulitic felsite, Shetland
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Marble, Plane Polars
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Mt. Louis, Banff National Park, Alberta
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Flame structures
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Papilliform stromatolite, Green River Formation
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Mole Hill basalt
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Passage Creek NOT in flood
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Olivine-rich volcaniclastic sand and shell fragments, Kaua'i, Waimea, Hawai'i
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Gabbro, Crossed Polars
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Base of the Stac Fada Member of the Clachtoll Formation of the Stoer Group, North-West Highlands, Scotland
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Harpers Formation, Harpers Ferry, West Virginia
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Lunar Breccia Sample 65015, Crossed Polars
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Echinoid hemicidaris
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Talc, Crossed Polars
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Sugarloaf Mountain quartzite
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Laminated micrite
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Foram from Ronasvoe, Shetland, Scotland
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Diptera tipulidae 1076
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Corumbella campground
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Broad Run
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Green quartzite
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Ouray Ampitheater
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Ronas Hill Granite, Crossed Polars
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Folded gneiss
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Nature baths, Mývatn, Iceland
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Gigantoproductus giganteus productid brachiopod fossils in Permian limestone, Arran, Scotland
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Kilbourne Hole - East Crater Wall
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Orthoclase (Potassium Feldspar)
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Native Copper
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Foreknobs Formation exposed on Rt. 50 west of Gore, Virginia
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Sediment from Port Charlotte, Islay, Scotland
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View over paleotopography below the Buck Reef Chert
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Igneous Rocks Lab Sample B
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Lapilli from near Chaupi, Ecuador
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Sediment from Spanish Bay Beach, CA
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Unknown sedimentary sample
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Fluvial and lahar deposits at Cold Springs, California
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Porphyry
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Öxará River at Þingvellir National Park, Iceland
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Tourmaline in Lepidolite
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Phyllite, Crossed Polars
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Looking west from Spruce Knob, West Virginia
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Metamorphic Rocks Lab Sample A
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Graded beds of pisolites, Tansil Formation
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View SSW from Duncan Knob, George Washington National Forest, Virginia
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Alma, Wisconson-Minnesota
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Graphite Schist, Plane Polars
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Evan Thomas Flood Wash
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Folded metamorphic rocks exposed along the shore of Cabbage Island, Maine
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Corona Heights Fault, San Francisco
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Pseudotachylyte from Vredefort, South Africa
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Metamorphic Rocks Lab Sample K2, Bottom View
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S-C fabric in schist, Dover Fault, Newfoundland
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Evaporite texture in Tonoloway Formation
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Siccar Point, Scotland
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View south from Table Mountain toward Chapman's Peak and the Cape of Good Hope
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Brain coral
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Unknown Sedimentary Sample
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Sediment from Scientists' Cliffs, Maryland
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Fossils and storm deposits in Tonoloway limestone
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Metamorphic Rocks Lab Sample K1
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Sand from Al Habab, Dubai, UAE
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Ellicott City granodiorite, Ellicott City, Maryland
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Angular unconformity, Death Valley National Park
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LIDAR Weverton Formation - Blue Ridge front, Virginia
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Martinsburg Formation exposed at Staunton, Virginia
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Buda Formation fold
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Diamond fossils in limestone
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Glycymeris trio
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Confusion Hill medium-range outcrop #2
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Wisconsin Red Granite
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Physical Geology Mineral Lab Sample 10-12
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Diatomaceous earth
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Apatite in Orthoclase
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Confusion Hill detail shot 1 - Castner Formation
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Stromatolitic Bonahaven Dolomite, south of Bunnahabhain, Islay, Scotland
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Beach sand from Hapuna Beach on the Big Island of Hawaii
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Garnet schist
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Curwensville Reservoir
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Sand from Halls Lake, Ontario, Canada
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Brachiopod fauna of the Nealmont Formation, Germany Valley, West Virginia
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Cristo Rey: Buda Formation - Fossils in the quarry
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Lower Mississippian Rockwell Formation roadcut on Corridor H, West Virginia
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Igneous Rocks Lab Sample H
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Differential weathering
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Martinsburg Formation, South Page Valley Road, Page County, Virginia
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Ammonite
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Metamorphosed, boudinaged bedding of the Mather Gorge Formation
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Little ammonite
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Bow River Falls, Banff
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Martinsburg Formation
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Glacial cobble
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Thin Section of Deformed Quartzite with Small Pebbles
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Reynolds Member of the Mauch Chunk Formation
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Geologic Map of the Devil Slide Quadrangle, Hot Springs County, Wyoming
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Migmatite, Crossed Polars
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Unknown Sedimentary Rock Sample
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Setters Schist
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Biotite Gneiss, Crossed Polars
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Mud cracks in Castner Marble argillite
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Sedimentary Rocks Lab Sample Z
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Brown limestone
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Page Valley, Virginia
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Cushendun Conglomerate of the Cross Slieve Group, Cushendun, Northern Ireland
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Fault breccia in the Helderberg Group
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Asterotheca miltoni
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Epidotized fault contact between two gneisses
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Metavolcanic and metasedimentary mélange, Franciscan Complex, Pacifica, California
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Hell's Half Acre, Wyoming
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Sandstone blocks near Seneca Quarry, Maryland
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Climbing ripples in Millboro Formation shale
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Metamorphic rocks exposed along the shore of Cabbage Island, Maine
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Grus
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Mahantango Formation, showing fossil brachiopod fauna
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Slate
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"Madeira Point" on the Billy Goat Trail
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Tanytrachelos, from the Solite Quarry in the Dan River Basin, Virginia
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Pyrolusite
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Zoophycos trace fossils in Mahantango Formation
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Railroad cut, Linden, Virginia
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Igneous Rocks Lab Sample P
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Metamorphic Rocks Lab Sample Q
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Mineral Sample M
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The nascent NOVA Annandale rock garden, as of May 2012
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Wapiti Fm. Volcaniclastics - Cody, Wyoming
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Zoophycos
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Devonian Hampshire and lower Mississippian Rockwell Formations roadcut on Corridor H, West Virginia
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Sediment from the Calvert Formation, Base of Zone 10
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Fusulinids
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Meteorite from Morocco
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Sediment from Pfeiffer Beach, California
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Augite, Plane Polars
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Mudchip rip-up clasts in argillite of varying oxidation states and quartzite of the Grinnell Formation
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Chalcedony
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Rugose coral calyces
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Physiography of the central Appalachians
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Sediment from Kirby Cove, Marin County, California
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South lateral moraine, Athabasca Glacier (inside view)
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Ammonites in contact-metamorphosed Lias, Portrush, Northern Ireland
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Mylonite with well-developed foliation and lineation
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Upper Gypsum Springs Formation - Sheep Mountain Anticline, Wyoming
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Dewatering structure (?)
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Araucaria
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Brachiopods and crinoid stems in Mississippian-aged Reynolds Limestone
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Port Askaig "Tillite" (Diamictite), Islay, Scotland
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Ridgeley Sandstone fauna
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S-C Mylonite
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Sedimentary Rocks Lab Sample P
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Sandstone roll-up feature in the Stac Fada Member of the Clachtoll Formation of the Stoer Group, North-West Highlands, Scotland
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Vesicular basalt
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Diorite
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Differential Weathering, Sideling Hill, Maryland
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Sunwapta Glacier
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Stretched clasts in Laurel Formation metagraywacke, Rock Creek Shear Zone, Washington, DC
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Banded iron formation, Barberton Greenstone Belt, South Africa
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Triassic red beds, near Kildonan, Arran, Scotland
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Portrush: hornfels (contact metamorphosed Lias shale) above Portrush gabbroic/doleritic sill
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Eocene-aged fish from the Green River Formation
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Giant ooids
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Internal mold of a clam
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Martinsburg Formation at Guard Hill, north of Front Royal, Virginia
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Folds in Lewisian gneiss (weathered), Achmelvich, Scotland
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Coarse Sediment from Canoa Beach, Ecuador
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Sedimentary Rocks Lab Sample J
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Catoctin Formation greenstone
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Rockwell Formation diamictite, exposed on Corridor H, West Virginia (second berm)
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Microbially induced sedimentary structures, Barberton
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Actinolite in Actinolite Schist, Plane Polars
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Mylonite near Eriboll, Scotland
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Martinsburg Formation, South Page Valley Road, Page County, Virginia
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Martinsburg Formation, South Page Valley Road, Page County, Virginia
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Igneous/sedimentary contact, Arran
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Devil's Racecourse, Ft. Ritchie, Maryland
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Sillimanite in kaolinite
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"Breccia Wall," Antietam Formation, SE Boyce quadrangle, Virginia
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Harpers Formation exposed at Glasscock Gap, Virginia (Outdoor Lab)
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Crepidula
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Brachiopods and crinoid stems in Mississippian-aged Reynolds Limestone
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Diptera tipulidae 846a
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Amygdules from Precambrian-aged Castle Danger Basalt
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Conemaugh Formation Sandstone
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Mylonite / "LS Tectonite"
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Microbial sulfate reduction spots
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View east over paleotopographic relief at the base of the Buck Reef Chert
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Marble and blueschist, Perissa, Greece
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Cobbles, Church Bay, Rathlin Island, Northern Ireland
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Sediment from Acadia National Park, Maine
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Snowball Earth Educational Rock Sample Suite TS-15
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Sand from Siesta Key, Florida
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Miette Group hand sample
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Mineral Sample Set N
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CPR Tunnel Debris Flow
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Outcrop at the intersection of Fort Valley Road and Ramsey Road, Fort Valley, Virginia
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Double unconformity at Beinn Garbh, North-West Highlands, Scotland
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Fucoid beds
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Fauquier Formation limestone, plane polars
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Paleoproterozoic gneiss, Clear Creek Canyon, Colorado
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The Leesburg Conglomerate at Ida Lee Park
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Astrhelia palmata
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Dolomite, Crossed Polars
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Boudinaged tourmalines in Setters Schist, Maryland
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Pebble-bearing Massanutten Sandstone
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Travertine
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Sheared Dalradian metaturbidites w/ dike tip at Lochranza, Arran, Scotland
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Confusion Hill
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Sand from Scientists' Cliffs, Chesapeake Bay, Maryland at 3530x
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Arkose, Crossed Polars
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Cape Granite II
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Ulster White Limestone ("The Chalk") with belemnite fossil, Rathlin Island, Northern Ireland (U.K.)
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Sample from the Dead Sea, Israel
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"Cub Sandstone" (Uppermost Martinsburg Formation), near Catherine Furnace, Virginia
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Sedimentary Rocks Lab Sample I
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Skolithos
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Devil Canyon Overlook, Bighorn Canyon National Recreation Area, Wyoming
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Serpentinite melange, Marshall's Beach, San Francisco
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Brecciated and folded Montoya Group
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Ultramylonite
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Harpers Formation, Thoroughfare Gap, Virginia
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Diptera tipulidae 2227b
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Kilbourne Hole, detail A
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Moore House Member - West
-
Chesapecten jeffersonius
-
Brachiopod from the Needmore Shale
-
Graded carbonate beds
-
Confusion Hill medium-range outcrop #4
-
Arsenopyrite
-
Shell-rich horizon in Mahantango Formation
-
Confusion Hill medium-range outcrop #5
-
Amphibolite from Clear Creek Canyon, Colorado
-
Sand from Vista Point, Del Norte County, California
-
Rugose coral
-
Scleractinian coral
-
Ghaub Formation diamictite with Snowball Earth glacial dropstones
-
Rodeo Beach Cliff
-
Sand from Ocean Beach, San Francisco, California
-
Ostracode and gastropod body fossils, Tonoloway Formation
-
Folded Tonoloway, Looking South. 8-22-12
-
Calvert Formation, Scientist Cliffs, Maryland (#5 of 8)
-
Catoctin greenstone
-
Plant fossil: gymnosperm
-
Sedimentary Rocks Lab Sample V
-
Ex-aragonite seafloor cements
-
Stromatolites in driveway, Thunder Bay Ontario
-
Folded porphyritic green metavolcanic rock, St. Anthony, Newfoundland
-
Foram from La Isla Verde, Puerto Rico, 3155x
-
Tauz karst spring - the deepest underwater cave in Romania
-
Siccar Point, Scotland
-
NEW New WV 55 fold belt 3
-
Passage Creek in Flood I
-
Ripple marks in mudstone
-
Serpentine Marble, Plane Polars
-
Vulcano, Aeolian Islands, Italy
-
Skolithos
-
Graphite
-
Unknown Sedimentary Sample
-
Fossil Metasequoia and angiosperm
-
Anorthite, 3015x
-
Striped Rock Granite with fractured feldspars
-
Verdite
-
Plate breccia
-
Marine body fossils in Mississippian-aged Reynolds Limestone
-
Mt. Kidd, Kananaskis Trail, Alberta, Canada
-
Marble Breccia, Crossed Polars
-
Antiform in Mather Gorge Formation
-
Andesite with aligned feldspar phenocrysts, Little Walker Caldera, California
-
Laminated and faulted Tonoloway Formation
-
Rhyolite
-
Sand from Ocean City, Maryland
-
Physical Geology Mineral Lab Sample 10-2
-
Mineral Sample Set L
-
Conglomerate
-
Big kink fold in Foreknobs Formation, Rt. 50 west of Gore, Virginia
-
Ronas Hill Granite, Plane Polars
-
Stromatolite from Namibia
-
Floe Lake, Kootenay National Park, British Columbia, Canada
-
Grand Canyon from Pima Point
-
Natural Bridge, Canada 2
-
Paw Paw Tunnel, upstream exit
-
Argentinian folds
-
Strained Antietam Formation
-
Folds and Faults in Foreknobs, Bergton, Virginia
-
Sedimentary Rocks Lab Sample H
-
"Dunbar Marble": Mississippian limestone chock full of rugose corals
-
Migmatite exposed at Sea Point, South Africa
-
Ammonoids
-
Rounded cobble of intrusion breccia
-
Rubified quartz of the Swift Run Formation
-
Amygdules in Catoctin Formation
-
Goðafoss; upper gorge, Iceland.
-
Helen Lake stromatolites, Banff National Park, Alberta, Canada
-
Satinspar
-
Sand from the Hudson River at Stuyvesant, New York
-
Chinese Hat, Galapagos
-
Microbially induced sedimentary structures, Barberton
-
El Paso Arroyo
-
Hornblende schist
-
Graded bedding in the Martinsburg Formation
-
Physical Geology Minerals Lab Sample Set 5
-
Lewisian gneiss with cross-cutting dikes
-
Pyroxenite
-
Ignimbrite at Grind of the Navir
-
Kirkjufell, Snæfellsnes Peninsula, Iceland
-
Tauz karst spring - the deepest underwater cave in Romania (view from south)
-
Folded turbidites at Saligo Bay, Islay, Scotland
-
Conococheague Formation exposed near Mulberry Run, Virginia
-
(Annotated) laminated and faulted Tonoloway Formation
-
Amygdules in Catoctin Formation metabasalt
-
"Cub Sandstone" (Uppermost Martinsburg Formation), near Catherine Furnace, Virginia
-
Diptera tipulidae 2026
-
Polished green porphyritic metavolcanic from St. Anthony, Newfoundland
-
Pyroxene in Stillwater Complex Cumulate, Montana
-
Sodium-rich Plagioclase Feldspar at 1915x
-
Permian sedimentary rocks near the site of Hutton's Unconformity, Lochranza, Arran, Scotland
-
Sediment from Lake Ashi, Kanagawa Prefecture, Japan
-
Folded gneissic banding, Billy Goat Trail, Maryland
-
Bermuda "Pink Sand" Foram, 2495x
-
Little A Glacier and Boundary Glacier, near Icefield Centre, Icefields Parkway, Jasper National Park, Alberta
-
Suite of four metamorphic index minerals
-
Proterozoic basement rock, Clear Creek Canyon, Colorado
-
Staurolite, Plane Polars
-
Dickey Ridge Overlook, Shenandoah National Park
-
Lincolnshire limestone, plane polars
-
Turbidites at Garrapata Beach, Big Sur, California
-
Highland County, VA Mafic Intrusion
-
Folded and Cleaved Martinsburg Slate, Page County, Virginia
-
En echelon tension gashes in quartz arenite
-
Boninite, New Calendonia
-
Martinsburg Formation, South Page Valley Road, Page County, Virginia
-
Difficult Run Migmatite 2
-
Diptera tipulidae 2227a
-
Polysynethic Twinning in Albite, Crossed Polars
-
Anticline in Veach Gap
-
Laminated Shale, Crossed Polars
-
Luray, Virginia quadrangle
-
Differential weathering in Nolichucky Formation
-
Trilobite Elrathia kingi
-
Metamorphic Rocks Lab Sample R
-
Sahara Desert sand
-
Rock Wall, Fetlar, Shetland
-
Fossil Acer dacycarpoides
-
Boudinaged tourmalines in Setters Schist, Maryland
-
Breccia boulder
-
Cloudina
-
Pillow basalts, Snæfellsnes Peninsula, Iceland
-
Muscovite
-
Physical Geology Minerals Lab Sample 2a
-
The Alex Bay Cut
-
Unknown Sedimentary Rock Sample
-
Basalt
-
Physical Geology Minerals Lab Sample 4
-
Littleton Formation schist from Mt. Washington, New Hampshire
-
Second Generation Quartz, Billy Goat Trail
-
Volcanic bomb
-
Coarse ooids
-
Fault breccia
-
Cushendun Conglomerate of the Cross Slieve Group, Cushendun, Northern Ireland
-
Chert Nodule in Ulster White Limestone ("The Chalk")
-
Dismembered, folded sandstone body from Corridor H, WV, crossed polars
-
Storm deposit in glauconitic sandstone
-
Portrush: hornfels (contact metamorphosed Lias shale) above Portrush gabbroic/doleritic sill
-
Plagioclase feldspar
-
Weathered Sandstone
-
Clastic dike within Castner Marble, Franklin Mountains, Texas
-
Purslane Formation Sandstone, Sideling Hill, Maryland
-
Cribratina duo
-
Talc
-
Shale
-
Boxwork on sandstone
-
Confusion Hill detail shot 2
-
"Breccia Wall," Antietam Formation, SE Boyce quadrangle, Virginia
-
Laminated Shale, Plane Polars
-
Bryozoan Archimedes
-
Rockwell Formation diamictite
-
Biotite Gneiss, Plane Polars
-
Diopside with red and white calcite
-
Weverton Formation at Outdoor Lab (Biscuit Mountain)
-
Massanutten Sandstone with trace fossils
-
Swift Dam anticline, looking west
-
Smoo Cave
-
Basaltic Pumice
-
Leesburg Conglomerate
-
Sedimentary Rocks Lab Sample C
-
Sediment from Dunbar, Scotland
-
Campus Andesite
-
Cairn Formation, Bow River Parkway, Banff National Park, Alberta, Canada
-
Enstatite
-
Physical Geology Mineral Lab Sample 10-11
-
WV Rt 55 Whipcove Anticline
-
Martinsburg Formation crinoids and brachiopods
-
Ash and lapilli from Kilbourne Hole
-
S3 spherulite layer in Mapepe Formation, Fig Tree Group, Barberton Greenstone Belt
-
Seneca Rocks
-
Dyed agate
-
Metamorphic Rocks Lab Sample S
-
Mazon Creek paleoplant
-
Sediment from the Leiðarendi Lava Tube, Iceland
-
Devonian coral
-
Buda Formation Fold
-
Encrinal Limestone, Crossed Polars
-
Sedimentary Rocks Lab Sample D
-
Dolomite
-
Volcaniclastics from the volcanic highlands near Grímsstaðir, Iceland
-
Crinoid columnal horizon
-
Kink bands in schist of the Laurel Formation, Rock Creek Shear Zone, Washington, D.C.
-
Sandstone and conglomerate
-
Spherulitic felsite, Shetland
-
Beartooth Andesite
-
"Fubarite" Outcrop - Sheep Mountain Anticline, Wyoming
-
Apatite
-
Dike contact exposed at Kildonan, Arran, Scotland
-
Leggetts Gap-Section 4
-
Stac Fada member of the Clachtoll Formation
-
Sediment from L'Anse aux Meadows, Newfoundland
-
North Attleboro PetSmart Outcrop - View 1
-
Hutton's Unconformity, Arran
-
Looking West - Sheep Mountain Anticline, Wyoming
-
Silurian-aged mudcracks
-
Pyritized plant tissue from the Rockwell Formation diamictite
-
Mylonite (felsic) from the Dover Fault, Newfoundland
-
Passage Creek NOT in flood
-
Veach Gap Anticline 2
-
Olivine in Gabbro, Crossed Polars
-
West Boothbay Harbor, Maine
-
Millboro Formation shale, Route 33 near Brandywine, West Virginia
-
Grind of the Navir
-
Miette gritstone with scour incision and mudchip rip-up clast-rich strata, Banff National Park, Alberta, Canada
-
Waterton Park - Crandell Mountain
-
Paradise road North side east of bridge shot 5
-
Miette Group graded bedding
-
Epidosite, Crossed Polars
-
Huckleberry Ridge Tuff, Madison Valley, Montana
-
Coelacanth tail fossil from the Solite Quarry, Dan River Basin, Virginia
-
Cape Granite exposed at Sea Point, South Africa
-
Flood deposits on Evan Thomas Creek, Kananaskis Trail, Alberta
-
Boudinaged sandstone layer within Miette Group slate, Banff National Park, Alberta, Canada
-
"Mississippi Valley" Outcrop - Sheep Mountain Anticline, Wyoming
-
Igneous Rocks Lab Sample I-A
-
Chesapecten nefrens
-
Lamprophyre dikes on the Billy Goat Trail
-
Sediment from Montara State Park, California
-
Basal Cambrian burrows
-
Athabasca Glacier
-
Alluvial gravel, Bow River, Banff
-
Syenite
-
Plumose structure, route 55, West Virginia
-
Migmatite exposed at Sea Point, South Africa
-
Physical Geology Mineral Lab Sample 10-4
-
Enstatite, Crossed Polars
-
Rockwell Formation diamictite
-
Metamorphic Rocks Lab Sample L, another side view
-
Selenite
-
Kyanite quartzite, crossed polars
-
Corundum
-
Rockwell Formation diamictite
-
Microfiber in Chesapeake Bay Plankton Tow, 2940x
-
Fuchsite
-
Sediment from Crescent Bar, Washington
-
Tilted glacial outwash sediments
-
Edinburg Formation, showing Alleghanian cleavage, near Cedarville, Virginia
-
Bergton Thrust Fault - Greenland Gap Group
-
Biotite Granite, Crossed Polars
-
Port Askaig Diamictite, Islay, Scotland
-
Sphalerite
-
Helen Lake stromatolites, Banff National Park, Alberta, Canada
-
Thoroughfare Gap Weverton Formation, upper section
-
Shark Bay
-
Anorthite
-
Trace fossils in the Millboro Formation, Corridor H, West Virginia
-
Lower Rainbow Canyon, Death Valley National Park
-
Coccoliths and a Coccolithosphere in Classroom Chalk, 5245x
-
Sediment from Fortune Head, Burin Peninsula, Newfoundland
-
Rutile needles on biotite from Tioga Bentonite
-
Walker Top mylonite
-
Diopside
-
Conophyton
-
Graded bedding in the Martinsburg Formation
-
Olivine at 3095x
-
Facies change across the Cathedral Escarpment, Field, British Columbia, Canada
-
Plaid Twinning in Microcline, Plane Polars
-
A second view of the felsite intrusion
-
Chippokes Plantation 1
-
Column at YMCA Camp Harrison, North Carolina
-
Quartzite, crossed polars
-
Native copper in Catoctin Formation metabasalt
-
Garnet schist
-
Grand Canyon View from Desert View Outlook
-
Kyanite quartzite
-
Lapilli from Mt. Etna
-
Fossil Seed Fern
-
Passage Creek: not in flood
-
Calcite
-
Soft sediment deformation variety pack
-
L-tectonite, side view
-
Tuff, plane polars
-
Hogbacks - Sheep Mountain Anticline, Wyoming
-
New Market to Lincolnshire to Edinburg Limestones - Strasburg, VA
-
Corona Heights Fault, San Francisco
-
Rugose coral calyces
-
Syncline Tension Gashes, Corridor H
-
Harpers Formation, Harpers Ferry, West Virginia
-
Brecciated Antietam Formation
-
Rugose corals
-
Drumadoon Sill
-
Desiccation cracks in the Silurian Tonoloway Formation
-
Cristo Rey: Buda Formation - overturned syncline
-
Old Red Sandstone, cliff at Dunbar, Scotland
-
Microbially-induced sedimentary structures in Stoer Group, Clachtoll, Scotland
-
Gabbro, Fetlar, Shetland
-
Sediment from Ocean Beach, San Francisco, California at 3125x
-
Gastropod shells
-
Felsic spherulite from Shetland
-
Detail of Western Fold in the Large Rt 279 Outcrop, Bennington, Vermont, USA
-
Bishop Tuff
-
Sedimentary Rocks Lab Sample R
-
Fossil Fish
-
Microfiber Pollution in Sediment from Sandy Cove, Newfoundland and Labrador
-
Cross-bedding in Massanutten Sandstone
-
Cascade Canyon
-
Paleoproterozoic gneiss, Clear Creek Canyon, Colorado
-
Porphyritic vesicular basalt from Ka Lae, Hawaii
-
Serpentinite breccia, North Anatolian Fault, Turkey
-
Devonian Hampshire and lower Mississippian Rockwell Formations roadcut on Corridor H, West Virginia
-
Earthquake Lake Scarp - Hebgen Lake Road, Montana
-
Contact between volcanics and sedimentary host rocks, Kinkell Ness, Scotland
-
Harpers Formation, Harpers Ferry, West Virginia
-
Cathedral Peak granodiorite
-
Volcanic Breccia, Crossed Polars
-
Boudin mouth and neck, Lewisian gneiss exposed east of Durness, Scotland
-
Sand from Bromley Brook, Manchester, Vermont
-
Terminal Ediacaran trace fossils
-
Portrush: hornfels (contact metamorphosed Lias shale) above Portrush gabbroic/doleritic sill
-
Euhedral calcite in Precambrian-aged basalt cobble
-
Nlaka Hill S1 2013-05-30
-
Striarca fossil
-
Ooids and rip-up clasts
-
LS tectonite, Phoenix Mountains, Arizona
-
Sand from Al Madam, Sharjah, UAE
-
Brachiopod fauna of the Nealmont Formation, Germany Valley, WVA
-
Helderberg limestone, Corridor H, West Virginia
-
The Golden Gate
-
Coleoptera 1030b
-
Graptolites, Dob's Linn, Scotland
-
Diptera tipulidae 512
-
Bishop Tuff F2 Ashfall
-
Sediment from the Great Rift Valley, Kenya
-
Confusion Hill overview GigaPan #1
-
Grand Canyon from Lipan Point
-
Foreknobs sandstone, plane polars
-
Shoshone Canyon - Cody, Wyoming
-
Debris flow, Yoho National Park, British Columbia, Canada
-
Shelly Sand from Portrush, Northern Ireland
-
Dirty terminus of the Athabasca Glacier
-
Southern Franklin Mountains
-
Rutile
-
Echinoid hemicidaris
-
Blastoid, side view
-
Igneous Rocks Lab Sample M
-
Stutfield Glacier, Jasper National Park, Alberta, Canada
-
El Capitan Reef, West Side
-
Pillow basalts at Kirby Cove
-
Microcline
-
Shenandoah Valley Overlook, Shenandoah National Park
-
Chippewa Falls (Detail)
-
Aquia Creek Sandstone
-
Lunar Breccia Sample 65015, Plane Polars
-
El Paso Texas and Cd. Juarez Mexico
-
Echinoid hemicidaris
-
Sedimentary Rocks Lab Sample S
-
Hole In The Rock, Papago Park, Tempe, Arizona
-
Fossil display at the Virginia Department of Geology and Mineral Resources
-
Table Mountain Sandstone, South Africa
-
Igneous Rocks Lab Sample D
-
Patagonian turbidites, Chile
-
Stromatolites, Helena Formation, near Crypt Lake, Waterton Lakes National Park, Alberta
-
1959 Earthquake slide and Lake in Montana
-
Tombolo at St. Ninian's Isle, Shetland Islands, Scotland
-
Annotated folded Foreknobs, Gore, Virginia
-
Cristo Rey Mountain
-
Teredo, side view
-
Detail of Eastern Fold in the Large Rt 279 Outcrop, Bennington, Vermont, USA
-
West Face - Sheep Mountain Anticline, Wyoming
-
Portrush Sill, view #1
-
Port Askaig Diamictite, Islay, Scotland
-
Diatomaceous earth
-
Blueschist (medium-grained)
-
Calvert Formation, Scientists' Cliffs, Maryland (#3 of 8)
-
Folded metamorphic rocks exposed along the shore of Cabbage Island, Maine
-
Ball and pillow load-sag structures in Graafwater Formation
-
Stockdale Kimberlite
-
Mauch Chunk Formation, Corridor H, West Virginia
-
Brecciated Antietam Formation
-
Mylonite at Corrie Sands, Islay, Scotland
-
Ammonite in hornfels
-
Green ignimbrite overlying basalt, Berufjörður, Iceland
-
Oriskany sandstone, plane polars
-
Tuscarora Formation quartzite, showing iron oxide staining
-
One nautiloid, one ammonoid
-
Martinsburg Formation, South Page Valley Road, Page County, Virginia
-
Serpentinite with chrysotile hat
-
Trimmers Rock
-
Kilbourne Hole, detail C
-
Westward Facing Quarry Wall (Wide View), Corridor H
-
Crossbedded Red Sandstone with Lichen
-
McKenzie Pass Lava Flow
-
Volcaniclastic breccia from Mount St. Helens
-
Slab of Massanutten Sandstone
-
Passage Creek in Flood II
-
Sediment from Moss Landing Beach, California
-
Slate, Crossed Polars
-
Conemaugh Group, Corridor H
-
Encrinite
-
Quartz: variations on a theme
-
Folds in Edinburg Formation, Opequon Creek, Clarke County, Virginia
-
LiDAR view of the Harpers Ferry region, West Virginia / Maryland / Virginia
-
Garnetiferous metagraywacke, Rock Creek Shear Zone, Washington, DC
-
Evan Thomas Creek, showing flood deposits and erosion
-
Anticline in Edinburg Formation, Opequon Creek, Clarke County, Virginia
-
Sedimentary Rocks Lab Sample B
-
Trilobite Elrathia kingi
-
Strained trilobite
-
Brecciated chert, Corona Heights Fault, San Francisco, California
-
Metatuff from the Catoctin Formation, South Mountain, Maryland
-
Allegheny Formation chert, plane polars
-
El Capitan, West Texas
-
Snowball Earth Educational Rock Sample Suite PFH-1
-
Microbially-induced sedimentary structures in Stoer Group siliciclastics, Clachtoll, North-West Highlands, Scotland
-
Marine Eugene Formation
-
West Lobe Quarry, West Virginia
-
Helderberg Formation chert, crossed polars
-
Muscovite, Crossed Polars
-
Physical Geology Mineral Lab Sample 10-1
-
Sterling, Virginia-Maryland quadrangle
-
Cristo Rey: Buda Formation - folds and faults
-
Milldale Antietam Breccia
-
Urchin Spine from Playa Rocosa De Piñones, Puerto Rico, at 3555x
-
Folded turbidites of the Smaull Greywacke, Saligo Bay, Islay, Scotland
-
Bliss Sandstone
-
Coleoptera 1030a
-
Cleavage refraction in Chancellor slate, Yoho National Park, British Columbia, Canada
-
Talc tremolite schist, plane polars
-
Jackson, Michigan quadrangle
-
Physical Geology Mineral Lab, Sample Set 1
-
Faulted Massanutten Formation sandstone at the Talking Headwall
-
Sheridan College dinosaur quarry
-
Caliche from the Hueco Formation, West Texas
-
Sediment from Kirby Cove, Marin County, CA
-
Channel forms and clinoforms in the Hampshire Formation
-
Calamites
-
Snowball Earth Educational Rock Sample Suite TS-3
-
Grand Teton range 1
-
Diabeg Formation, Torridonian Group, North-West Highlands, Scotland
-
Ozark Cave 2
-
Bishop Tuff
-
Tonoloway ostracode bed
-
Pseudotachylyte from Vredefort, with acrylic paint coat.
-
Port Askaig Diamictite, Islay, Scotland
-
Barite
-
Spiral graptolite
-
Sediment from the St. Ninian's Isle Tombolo, Scotland
-
Portrush Sill, view #3
-
Fauquier Formation limestone, crossed polars
-
Martinsburg Formation
-
Carbonatite dikes, Yoho National Park, British Columbia, Canada
-
Chippewa Falls (Wide)
-
Folded turbidites at Saligo Bay, Islay, Scotland
-
Outcrop of Weverton Formation quartzite atop Biscuit Mountain, Pond Mountains (South of Thoroughfare Gap), Virginia
-
Beach sand from the Puna Coast, Big Island, Hawaii
-
Sediment from Squantum Head, Quincy, Massachusetts
-
Massanutten Sandstone exposed on Fort Valley Road
-
North Attleboro PetSmart Outcrop - View 2
-
McDonald Creek, Glacier National Park
-
Paleoproterozoic gneiss from Clear Creek Canyon, Colorado
-
Kilbourne Hole, detail D
-
Laminated Rockwell Formation diamictite
-
Watern Cove
-
Cristo Rey: Mesilla Valley Formation - folds
-
Fossil Sphenophyllum
-
Fossil Stigmaria
-
Mazon Creek Paleoplant
-
Mauch Chunk Formation, showing Reynolds Limestone Member
-
Annularia radiata
-
Walls Boundary Fault, Shetland
-
Allegheny Formation siltstone, crossed polars
-
Diatomaceous earth
-
Tephra Blanket, Kilbourne Hole
-
Helen Lake Stromatolites 3
-
Fossil snails in Reynolds Limestone
-
Oolitic limestone
-
Amygdules in Catoctin Formation
-
Diptera tipulidae 007a
-
Igneous Rocks Lab Sample A
-
Palmyra, New York quadrangle
-
Fossil Alethopteris decurrens
-
Holey Chesapecten jeffersonius
-
Graptolites, sp. Tetragraptus
-
Fauquier Formation Rock Wall
-
Miette Group Outcrop Ellipsoid
-
Sykesville Formation, Chain Bridge Flats, DC
-
South lateral moraine, Athabasca Glacier (end-on view)
-
Hampshire Formation siderite concretion, plane polars
-
Gibbsite in Bauxite
-
S2 meteorite impact tsunami deposit, Barberton Greenstone Belt
-
Blastoid, side view
-
Chromite olivine cumulate, Stillwater Complex, Montana
-
Graptolites
-
Faulted strata
-
Ammonites in contact-metamorphosed Lias, Portrush, Northern Ireland
-
Maidens gneiss from the Goochland Terrane
-
Allegheny Formation chert, crossed polars
-
Cruziana trace fossils
-
Graded bed in Martinsburg Formation
-
Sand from the Strait of Gibraltar
-
Evaporite texture in Tonoloway Formation
-
Hutton's Unconformity on the Isle of Arran
-
Catoctin metabasalt at Point of Rocks, Maryland
-
Zoophycos
-
Crinoid fossil
-
Sediment from Loch Assynt, NW Highlands, Scotland
-
Tanytrachelos, from the Solite Quarry in the Dan River Basin, Virginia
-
New Market limestone, plane polars
-
Folded Brallier Shale, south side of NEW New WV 55
-
Pteridinium from Farm Aar
-
Massanutten sandstone slab with trace fossils
-
Parallel Roads of Glen Roy
-
Naturebaths, Lake Myvatn region
-
Sediment from Kinkell Ness, Scotland
-
Rocky Gap Run, Lake Habeeb, Maryland
-
Pyrolusite
-
Pisolites in Tansil Formation limestone, Whites City, New Mexico
-
Solution seam sample
-
Mahantango limestone, plane polars
-
Sedimentary and diagenetic features in the Conemaugh Formation, Corridor H, West Virginia
-
Pegmatite, Red Bluff Granite
-
Southward Facing Quarry Wall (Close Up), Corridor H
-
Smaull greywacke turbidites exposed south of Saligo Bay, Islay, Scotland
-
Gros Ventre Landslide - Kelly, Montana
-
Gravel deposits of the Salmon River, near Riggins, Idaho
-
Cottonwood Creek; Boise, Idaho
-
View toward Barite Valley
-
Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC
-
Bar 3 cross section, near Wilson Creek, Washington
-
Helen Lake stromatolites, Banff National Park, Alberta, Canada
-
Barite horizon, Mapepe Formation of the Fig Tree Group
-
Caliche from the Hueco Formation, West Texas
-
Trimmers Rock Bouma sequences
-
Mammoth Cave, Kentucky quadrangle
-
Tuscarora sandstone, plane polars
-
Wavellite on quartzite
-
Chlorite porphyroblasts in Popes Head Formation schist
-
Foreset beds in gravel dune complex near Soap Lake
-
Conglomerate as countertop, on display in Berryville, Virginia
-
Conglomerate with Calcite Cement and Hematite Cement, Crossed Polars
-
Migmatite exposed at Sea Point, South Africa
-
Lamprophyre, Plane Polars
-
Calvert Formation, Scientists' Cliffs, Maryland (#8 of 8)
-
Sacagawea Peak from bioherms near the Thunderer, Bridger Range, Montana
-
White Mountain escarpment, Wyoming
-
Fold
-
Diptera 2043a
-
Weathered basalt near West Light, Rathlin Island, Northern Ireland, U.K.
-
Carbonized fern
-
Sedimentary Rocks Lab Sample Y
-
Pyroxene phenocrysts from Mt. Vesuvius
-
Fluorite
-
Bermuda "Pink Sand" Foram, 2580x
-
Mariopteris
-
Crepidula
-
Foreknobs Formation- Hunting Ridge 2
-
Sillimanite in Sillimanite-Garnet Gneiss, Crossed Polars
-
Sedimentary Rocks Lab Sample K
-
Tourmaline
-
Scourie dike, Achmelvich Beach
-
Echinoid hemicidaris
-
Small folds in the Foreknobs Formation, Rt. 50 west of Gore, Virginia
-
Gneiss
-
Cristo Rey: Mesilla Valley Formation - contact with Campus Andesite
-
Exposure of Catoctin Metabasalt at Point of Rocks, Maryland
-
Coal, Conemaugh Formation, Corridor H, West Virginia
-
Hampshire Formation redbeds, from a higher perspective
-
Dike in diabase
-
Peridotite from the Josephine Ophiolite
-
Unakite, Crossed Polars
-
Microbially induced sedimentary structures, Barberton
-
Granitoid, Robertson River Igneous Suite
-
Graded bed in Martinsburg Formation turbidites, Peach Orchard Gap, Virginia
-
Contact between Fauquier Formation marble and Catoctin Formation greenstone, near Lime Kiln Road, Virginia
-
Potassium feldspar
-
Fucoid Beds, North-West Highlands, Scotland
-
Anticline/Syncline Pair, Patterson Creek Mountain Anticline, WV55
-
Talc, Plane Polars
-
Pteridinium at Aarhauser
-
Syncline Fold, Corridor H
-
Mechum River Formation meta-diamictite
-
Till
-
Cleavage in folded turbidites at Saligo Bay, Islay, Scotland.
-
Folded banded iron formation
-
Tonalite with cross-cutting veins, DC cobblestone
-
Granite vein cutting Paleoproterozoic gneiss, Clear Creek Canyon, CO
-
Angular Unconformity, west of El Paso, Texas
-
Snowball Earth Educational Rock Sample Suite PFH-2
-
Lamprophyre dikes at Mather Gorge, Great Falls, Virginia
-
Sedimentary Rocks Lab Sample Q
-
S3 spherulite, Fig Tree Group, Barberton Greenstone Belt
-
Brain coral
-
"Bermuda Pink Sand" with Forams
-
Metamorphic Rocks Lab Sample P1 (left) and P2 (right)
-
Helen Lake stromatolites, Banff National Park, Alberta, Canada
-
Sedimentary Rocks Lab Sample E
-
Metamorphic Rocks Lab Sample C
-
Diaphragmus brachiopod fossils from the Reynolds Limestone member of the Mauch Chunk Formation, Corridor H, West Virginia
-
Unknown Sedimentary Sample
-
Folded metamorphic rocks exposed on C&O Canal
-
Chapman's Mill, Thoroughfare Gap, Virginia
-
Ulster White Limestone ("The Chalk"), Northern Ireland
-
Hampshire Formation sandstone, crossed polars
-
Anticline/Syncline Patterson Creek Mountain Anticline WV55 BIG
-
Cornwallis' Cave
-
Sediment from Jenner, CA
-
Diptera tipulidae 1714a
-
Slag from Britain used as ballast and then as road cobble in DC
-
Ferruginous quartzite
-
Rift at Þingvellir, Iceland
-
Keyser limestone, crossed polars
-
Calcite precipitated on aquarium gravel
-
Cretaceous strata at Swift Dam
-
Confusion Hill detail shot 3
-
Pope's Head Formation showing cross bedding on the plane of foliation
-
Redfieldius
-
Volcanic arches at Dimmuborgir, near Lake Mývatn, Iceland
-
Murri Anticline and Oman Ophiolite
-
Sediment from Torres del Paine, Chile
-
Sediment from Clear Creek in Colorado
-
Sykesville Formation, Chain Bridge Flats, DC
-
Sediment from above the wrack line on Playalinda Beach, Merritt Island, Florida
-
Sediment from the Black Sea off the coast of Zatoka, Odessa Oblast, Ukraine
-
Garnet Mica Schist, Plane Polars
-
Sediment from South Ari Atoll, Republic of Maldives
-
Oolitic Limestone
-
Arkose, Cushendun
-
Sedimentary Structure?
-
Cirque Peak, Banff National Park, Alberta
-
Amazonite (Microcline)
-
Sykesville Formation, Chain Bridge Flats, DC
-
Sediment from Arches Provincial Park, Newfoundland and Labrador
-
Old Red Sandstone, headland at Dunbar, Scotland
-
Metamorphic Rocks Lab Sample K2, Side View
-
Granitic dikes in granite
-
Passage Creek in flood
-
Rock Gypsum, Crossed Polars
-
Lunar Basalt Sample 12002, Plane Polars
-
NEW new WV 55 west of Moorefield anticline
-
Cloudina graveyard
-
View SSW from Duncan Knob, George Washington National Forest, Virginia
-
Arctomys siltstone and shale, southeast of Cirque Peak, Banff National Park, Alberta, Canada
-
Sediment from Passage Creek, Fort Valley, Virginia
-
Diptera tipulidae 2380b
-
Diptera tipulidae 840
-
View over the Komati Valley
-
Extensional Shear Bands in Thin Section
-
Garnet
-
Conglomerate of Cerro Toro Formation, Chilean Patagonia
-
Metamorphic Rocks Lab Sample L, one side view
-
Devonian Shale (#1), South Branch of the Potomac River, West Virginia
-
Glacier on Mt. Stephen
-
Unakite, Plane Polars
-
Barrier Lake, Mt. Baldy, and the Kananaskis Valley
-
Rockwell Formation diamictite from Sideling Hill
-
Kaap Valley Pluton exposed along Queens River, Barberton Greenstone Belt, South Africa
-
"Chill and bake," Blackwaterfoot Beach, Arran, Scotland
-
Klamath Basin
-
Calcite
-
(Potential) accretionary lapilli in mudrock
-
Precambrian / Cambrian Unconformity, Ogofgolchfa
-
Giant's Causeway, Northern Ireland
-
Carters Grove, Eastern exposure
-
Chapman's Mill, Thoroughfare Gap, Virginia
-
Black Cretaceous Shales - Sheep Mountain Anticline, Wyoming
-
Alluvium and soil profiles
-
Anorthosite, Adirondack Mountains, New York
-
Cairn Formation, Bow River Parkway, Alberta
-
Folded gneiss from Clear Creek Canyon, Colorado
-
Sediment from the Choptank Formation, Zone 13
-
Beach cobbles at Dunbar, Scotland
-
Basalt, Crossed Polars
-
Igneous Rocks Lab Sample C
-
Stromatolites in Helena (Siyeh) Formation limestone from Alberta, Canada
-
Snowball Earth Educational Rock Sample Suite 22
-
Arthrophycus
-
Gigantoproductus giganteus fossils in Permian limestone, Arran, Scotland
-
Skolithos
-
Zoisite
-
Ocean jasper, Madagascar
-
Snowball Earth Educational Rock Sample Suite TS-12
-
Sub-Torridonian unconformity, North-West Highlands, Scotland
-
Sedimentary Structure?
-
Pipe Rock, North-West Highlands, Scotland
-
Kaolinite
-
Sediment from Ten Mile Dunes, Ft. Bragg, California
-
"Carbonatite?"
-
Migmatite
-
View across the Barite Valley
-
Gravel deposits on Adams Mill Road NW, Washington, DC
-
Striations in Eldon Formation, exposed near Athabasca Glacier.
-
Disaggregated Sediment from the Choptank Formation, Zone 13
-
Sand from the Atlantic Ocean at Kure Beach, North Carolina
-
Mudchip conglomerate w/ varying oxidation states
-
Mudcracks
-
Actinolite in Quartz
-
Martinsburg Formation exposed at Staunton, Virginia
-
Ostracode fossils in Tonoloway Formation
-
Granite, Wind River Canyon, Wyoming
-
Komatiitic ash (meteorite impact layer), Barberton Greenstone Belt, South Africa
-
North Palisade, California
-
New Market limestone, crossed polars
-
Slaughter Canyon, Guadalupe Mountains, New Mexico
-
Tilted, folded, intruded metamorphic rock, Clear Creek Canyon, Colorado
-
Microcline, 2940x
-
Fossil Pecopteris
-
Diorite, Plane Polars
-
Graptolite fossils in the Martinsburg Formation
-
Massanutten Sandstone
-
Bow Lake and Bow Glacier
-
Sacagawea Peak from the south, halfway along the ridge toward the Thunderer, Bridger Range, Montana
-
Microbially induced sedimentary structures and fluvial conglomerate, Barberton
-
Sand from LaParee Beach, Bretignolles-sur-Mer, France
-
Porphyritic Andesite, Plane Polars
-
Unnamed Syncline - Sheep Mountain Anticline, Wyoming
-
Archean/Cambrian nonconformity at Wind River Canyon, Wyoming
-
Ellipsoidal reduction spots in Welsh slate
-
Folds in Upper Conococheague
-
Mafic enclaves in the Kaap Valley Pluton, Barberton Greenstone Belt, South Africa
-
Unconformity near Portrush, Northern Ireland
-
Sand from Portrush, Northern Ireland
-
Calcite and [?] precipitated on gneiss used as aquarium decoration, face 1 of 3
-
Mudcracks from the Belt Supergroup
-
Rutile, Plane Polars
-
Orthoclase at 1825x
-
Another Column at YMCA Camp Harrison, North Carolina
-
Sedimentary Rocks Lab Sample O
-
Diptera tipulidae 043
-
Calvert Formation glauconite sand
-
Graptolites
-
Galena
-
Hanging Rock Anticline, east side
-
Sand from Ophir Beach, Oregon
-
Crossbedding preserved in Popes Head schist
-
Gabbro
-
Geologic Map of the Wind Gap Quadrangle, Northampton and Monroe Counties, Pennsylvania
-
Chancellor Group slate, Yoho National Park, British Columbia, Canada
-
Gneiss
-
Arkose, Plane Polars
-
Sediment from Beaverdam Creek, Virginia
-
Granite exposed along the shore of Cabbage Island, Maine
-
Helderberg Formation chert, plane polars
-
Mineral sample D
-
Folded calc-silicate
-
Great Unconformity, Wind River Canyon, Wyoming
-
Demopolis Chalk
-
Garnet schist
-
Hematite
-
Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC
-
Catoctin Formation greenstone, Rockfish Gap, Virginia
-
Sediment from Big Rocky Run, Centreville, Virginia
-
Grudaidh Formation (Durness Group) w/ two vogesite sills and two faults
-
Sample D
-
Ennis, Montana quadrangle
-
Sedimentary Rocks Lab Sample A
-
Up-close, small-scale folding, Patterson Creek Mountain Anticline WV55
-
Coprolite
-
Ammonites in contact-metamorphosed Lias, Portrush, Northern Ireland
-
Sediment from Moormans River, Virginia
-
Fusulinid-rich sediment
-
Basalt Columns at Skinner Butte, Eugene, OR
-
Mahantango Formation oolite with intraclast
-
Porphyritic vesicular basalt from Mt. Vesuvius
-
Beryl
-
Serpentine, Crossed Polars
-
Sediment from Katsura River, Kyoto
-
Sediment from Biscuit Run, Virginia
-
Coal
-
Pisolith-rich Grainstone, Tansill Formation(?), Whites City, New Mexico
-
Ptygmatic folding in gneiss
-
Mars PSP_001984_1735
-
Gypsum variety Alabaster
-
Lincolnshire limestone, crossed polars
-
Confusion Hill medium-range outcrop #1
-
Sand from the Cache La Poudre River, Colorado
-
Concentric Diatom in Choptank Formation Zone 13, 4870x
-
Subhedral halite
-
"Sketchy Trails" Outcrop - Sheep Mountain Anticline, Wyoming
-
Grand Canyon 1
-
Lunar Sample 12002 Thin Section of Basalt, Crossed Polars
-
Kink banding in Eldon Formation carbonates, exposed on roche moutonee east of Athabasca Glacier
-
Giant's Causeway, Northern Ireland
-
Martinsburg Formation, South Page Valley Road, Page County, Virginia
-
Brachiopods in sandstone, Pennsylvania
-
Igneous Rocks Lab Sample I-B
-
Metamorphic Rocks Lab Sample O
-
Aquia Creek Sandstone (2)
-
Sediment from Satellite Beach, Florida
-
Paw Paw Tunnel, downstream exit
-
Ammonite showing ammonitic sutures
-
Scenic Overlook, Looking West, West Virginia
-
Serpentine
-
Funzie Conglomerate, Fetlar, Shetland, U.K.
-
Lower Martinsburg Formation outcrop at Funk Road and Route 11, south of Strasburg, Virginia
-
Dunite
-
Ammonites in contact-metamorphosed Lias, Portrush, Northern Ireland
-
Hampshire Formation strata
-
Giant's Causeway, Northern Ireland
-
Taconic Angular Unconformity near Catskill, NY
-
Pennsylvanian Alleghanian Formation
-
Pseudotachylyte
-
Igneous Rocks Lab Sample F
-
Gneiss and migmatite, Clear Creek Canyon, Colorado
-
Slickensides on slabs of Brallier Formation shale, Paw Paw Tunnel
-
Cross-bedding
-
Ronasvoe and Ronas Hill, Shetland
-
Pemaquid Point, Maine
-
Fossil Annularia
-
Bermuda "Pink Sand" Foram, 1825x
-
Soapstone
-
Felsite intrusion, Iceland
-
Komatiite
-
Cirque Peak, Banff National Park, Alberta
-
Fine Sediment from Canoa Beach, Ecuador
-
Chimney Rock - Front View
-
Lunar Sample 12005 Thin Section of Olivine Basalt, Crossed Polars
-
Serpulids
-
Gastropod duplex w/ people for scale
-
Conifer Cone
-
Foreknobs Formation - Baker section 4
-
Giant fusulinids
-
Sediment from Blackbird Caye, Turneffe Atoll, Belize
-
Augen gneiss, Transition Zone, Shetland
-
Margin of a Scourie dike (contact w/ host rock: Lewisian gneiss)
-
Mauch Chunk sandstone, plane polars
-
Unknown Sediment Sample
-
Serpulids
-
Peyto Lake, Banff National Park, Alberta, Canada
-
Feeder dike(s) of the Catoctin Formation, exposed at Little Devil's Stairs Overlook, Skyline Drive, Shenandoah National Park, Virginia
-
Rt. 50 cut, Mt. Pleasant Syncline, east limb lower section
-
Siliceous Oolite, Crossed Polars
-
"Diamond in the Rough" outcrop of Hampshire Formation, Corridor H, West Virginia
-
Anorthite, Crossed Polars
-
Barberton komatiites in outcrop
-
Bedding / cleavage relationships in Chancellor Group slates, Yoho National Park, British Columbia, Canada
-
Sediment from Playa Rocosa De Piñones, Puerto Rico
-
Mineral Sample J
-
Fluorite, 3555x
-
Pekisko Formation, Lac des Arcs, Alberta
-
Astrhelia palmata
-
Diabase sill/dike complex within Red Bluff Granite
-
Crazy Cat breccia
-
Bituminous coal
-
Ostracodes in Tonoloway Formation limestone
-
Trezona Formation Stromatolites
-
Arkose
-
Garnet-Rich Purple Sand, Pfeiffer Beach, Big Sur, CA
-
Mineral Sample I
-
"Casa del Snake" Outcrop - Sheep Mountain Anticline, Wyoming
-
Diptera tipulidae 931
-
Signal Knob Overlook, Shenandoah National Park
-
Massanutten sandstone slab with trace fossils (annotations only)
-
Trace fossils in green siltstone
-
Alethopteris
-
Recumbent anticline in the Edinburg Formation, Page County, Virginia
-
Kilbourne Hole, detail B
-
Walls Boundary Fault, Shetland
-
Hell Creek Nirvana K/T boundary
-
Skinner Butte Columns
-
Marble breccia
-
Whipcove Anticline
-
Meta-ignimbrite of the Catoctin Formation, near Linden, Virginia
-
Sediment from Corfu, Greece
-
Graywacke and tafoni weathering on sandstone, Ocean Beach, San Francisco, California
-
Tension gashes in Cambrian Bison Creek Formation, Jasper National Park, Alberta, Canada
-
Limestone quarry on Old Route 55, West Virginia
-
Bloomsburg Formation sandstone
-
Anthracite
-
Rounded cobble of Cuckold Formation conglomerate, St. John's, Newfoundland
-
Chalcopyrite
-
Carbonatite dikes cutting across Chancellor Group slate, Yoho National Park, British Columbia, Canada
-
Hornblende Sand Grain, 3265x
-
Permian red beds near Hutton's Unconformity, Lochranza, Arran
-
Hibriten Mylonite
-
Columnar stromatolite
-
Phyllite with garnet
-
Curly graptolites
-
Konnarock Formation rhythmites
-
Metamorphic Rocks Lab Sample N
-
Sediment from Andros Island, Bahamas, at low tide
-
Scoria
-
Panorama of Reynisfjara beach in Iceland
-
Crossbedding preserved in phyllite
-
Metamorphic Rocks Lab Sample E
-
Mirevalles Deposits
-
Metamorphic Rocks Lab Sample H
-
Rockwell Formation diamictite
-
Oriskany/Needmore Formations
-
Columbia pluton
-
Fluorite
-
Cross-cutting dikes in gabbroic host rock in Georgetown Intrusive Suite.
-
Grind of the Navir
-
Gabbro, Fetlar, Shetland
-
Huckleberry Ridge Tuff Angular Unconformity near Gardiner, Montana
-
Topaz
-
Rollup structures in dolomitic microbialaminite
-
Pine Butte, Montana
-
Conococheague Formation exposed near Mulberry Run, Virginia
-
Leopard Rock, Beartooth Highway
-
Amphibolite
-
Smithsonian Castle, Washington, DC
-
Cornwallis Cave, Yorktown Virginia
-
Plant fossils in the Allegheny Formation
-
Amphibolite from Great Falls, Maryland
-
Sediment from Buggs Creek, Annandale, VA
-
Weekeroo 03 - Bookshelf fractures and shear bands in Walter-Outalpa Shear Zone
-
Keyser Limestone
-
Rock Garden
-
Lewisian gneiss exposed near Durness
-
Folded turbidites of the Smaull Greywacke at Saligo Bay, Islay, Scotland.
-
Diptera tipulidae 638b
-
The Drowned Forest - Hebgen Lake, Montana
-
Fusulinid-bearing Hueco Limestone from West Texas
-
Helen Lake Stromatolite 4
-
Diptera tipulidae 846b
-
Sediment from Mill Creek, Fort Valley, Virginia, USA
-
Mount Baldy (Barrier Peak), Alberta
-
Waterfall Formation boulder
-
Diatoms on a Grain of Sand from Scientists' Cliffs, Chesapeake Bay, Maryland at 2800x
-
Volcanic arch at Dimmuborgir, near Lake Mývatn, Iceland
-
Calcite, 3095x
-
Point Bar
-
Sediment from Tangalle, Sri Lanka
-
Convolute bedding in Millboro Formation sandstone
-
Stylolite in Helderberg Group limestone, West Virginia
-
Overlook, YMCA Camp Harrison, North Carolina
-
Goðafoss; lower gorge, Iceland.
-
View west along the southern shore of northern Rathlin Island (from the Roonivoolin Trail)
-
Portrush: hornfels (contact metamorphosed Lias shale) above Portrush gabbroic/doleritic sill
-
Tourmaline Schist, Crossed Polars
-
Fossil
-
Flat pebble conglomerate, Gros Ventre Formation
-
Kyanite, 3175x
-
Sand from Miami, Florida
-
Brallier and Chemung Formations, new New Route 55, West Virginia
-
Chesapecten jeffersonius, state fossil of Virginia
-
Foram from La Isla Verde, Puerto Rico, 2850x
-
Lower Mississppian Rockwell Formation roadcut on Corridor H, West Virginia
-
Tilted, folded, intruded metamorphic rock, Clear Creek Canyon, Colorado
-
Accretion lapilli
-
Rockwell Formation diamictite, crossed polars
-
Fossils from the Rochester Shale
-
Sand from the Delaware River, Delaware
-
Salterella Grit, North-West Highlands, Scotland
-
Rockwell Formation diamictite
-
Snowball Earth Educational Rock Sample Suite 17
-
Rose Hill Formation / Tuscarora Formation contact
-
Sediment from Clear Creek, Colorado
-
Marine microfossils
-
Eocene-aged herring Knightia eoceana
-
View southwest across Church Bay, Rathlin Island, Northern Ireland
-
Fossils in Reynolds Limestone, Mauch Chunk Formation
-
Internal mold of a clam
-
Fossil Lepidodendron
-
Bryozoans in Madison Formation Limestone
-
Bloomsburg Formation sandstone
-
Stromatolite from Namibia
-
Sand from the Atlantic Ocean at Monte de Estoril, Portugal
-
Lunar Basalt Sample 12005, Plane Polars
-
Stac Fada member of the Clachtoll Formation
-
Sand Grain from Ocean Beach, San Francisco, California at 3955x
-
Zircon, 3875x
-
Nelsonite
-
Slumped boulder (serpentinite colluvium), Marshall's Beach, San Francisco
-
Graded bedding in the Martinsburg Formation
-
Anhydrite
-
Brachiopods and bivalve mollusks
-
Hutton's Unconformity, Arran, Scotland
-
Oxidation and reduction in Hampshire Formation sedimentary rock
-
Boudinage in Lewisian gneiss exposed near Durness
-
Pipe Rock, North-West Highlands, Scotland
-
Lava Lake, Montana
-
Mineral Grains from a Herkimer Diamond Mine
-
"Dunbar Marble": Mississippian limestone chock full of rugose corals
-
Meteorite: Seymchan Pallasite
-
Unknown Sedimentary Rock
-
Graphite Schist, Crossed Polars
-
Maidens Gneiss, Crossed Polars
-
Beach sand from Bell's Beach near Victoria, Australia
-
Foram from Port Charlotte, Islay, Scotland,at 2775x
-
Pink marble
-
Sediment from Suromar Rio, Naguabo, Puerto Rico
-
Siliceous Oolite, Plane Polars
-
Foram from St. Ninian's Tombolo, Scotland, 1915x
-
Frank Slide, Alberta, Canada
-
Graywacke, Crossed Polars
-
Swift Dam, Montana
-
Sand from The Bahamas
-