callanbentley

Public Images

• Tumbling Run
• Fossil example 1 in outcrop from Unit E
• "Baker outcrop"
• Mystery fossil for students to identify
• Microbially-induced sedimentary structures, sandstone, Barberton Greenstone Belt, South Africa
• Outcrop 9
• Relative dating example 30
• Above Shoshone, California
• Mistaken Point
• Martinsburg Formation
• Structure 13
• Harpers Formation, Harpers Ferry, West Virginia
• Bryce Point
• Outcrop 3
• Precambrian-Aged Castle Danger Amygdaloidal Basalt, Plane Polars
• Relative dating example 67
• Zoophycos
• Chalfant Pumice Quarry
• Mineral in a metamorphic rock
• Igneous rock I.3
• Serpentinite Roadcut
• The Silurian Hills
• USGS North American Tapestry of Time and Terrain
• Folded Chert in the Merced River
• Relative dating example 27
• The Moab Fault Zone
• Relative dating example 18
• Structure 22
• Cretaceous and Upper Jurassic strata north of Middle Fiord, Axel Heiberg Island, Nunavut, Canada; view northeast from camp
• Mylonite, North-West Highlands, Scotland
• Crescent Creek Cinder Pit
• Great Unconformity, Diamond Creek
• Relative dating example 17
• Green Cove 360
• Fossil specimen 5
• Massanutten Formation
• Hallett Cove, South Australia: Permian glacial striations
• Mudchip rip-up clasts in argillite of varying oxidation states and quartzite of the Grinnell Formation
• Spechty Kopf Diamictite, Plane Polars
• LiDAR map of glaciated terrain in Scandinavia
• West Castleton Fold (High Res)
• Channels in the Hampshire Formation
• Peyto Lake, Banff National Park, Alberta, Canada
• Structure 16
• Unknown rock for lab exam
• Structure 25
• Primary sedimentary structure for quiz
• Giant Current Ripples, Crescent Bar, Washington
• Specimen 1
• Buzzard Rocks
• Relative dating example 15
• Igneous outcrop I.10
• Geologic map of Hawaii
• Geologic map of Glacier National Park, Montana (Whipple, 1992)
• Hindu Fanglomerate, Diamond Creek Road
• Massanutten Sandstone
• Blueschist-grade folded metachert+shale
• VOLCANOLOGY
• Mahantango Formation, showing carbonate nodules
• "Baker outcrop," upper portion
• Lab exam unknown
• Fossil specimens F1, F2, and F3
• Relative dating example 3
• Spechty Kopf Diamictite, Plane Polars
• Fossil specimen 17
• OR-97 Roadcut (Lower End)
• West Wall of Diamond Creek Canyon
• Geologic map of White Gate quadrangle, Virginia
• CA 139 Roadcut
• Upper Paleozoic Section, Diamond Creek Road
• Upper Owens Valley
• Chalfant Pumice Quarry Vertical Section
• Northern Tip of the Peninsula at Sunset
• Volcanic Tableland Front
• Fossil specimen Q
• Rock observation, description, and interpretation: Sample 3
• Fossil example 1, outcrop 2, from Unit H
• Relative dating example 40
• Deep Creek Valley
• Rising Wolf Mountain, Two Medicine Valley, Glacier National Park, Montana
• Relative dating example 20
• Dewatering structure (?)
• Soudan Banded Iron Formation by A. Hochstaedter
• Buzzard Rocks
• Glacier on Mt. Stephen
• Ooids
• Travertine-Tumbling Run
• Geologic map of Williamsburg, VA, and surrounding areas
• Geologic map of the Lemmon area, North and South Dakota
• Ostracodes in Tonoloway Formation Limestone
• Helen Lake Stromatolite 4
• Ghaub Formation diamictite with Snowball Earth glacial dropstones
• Martinsburg Formation, Millner Road (near Deer Rapids Road), Shenandoah County, Virginia
• Veach Gap Anticline 2
• Latest Devonian Spechty Kopf formation roadcut on Corridor H, West Virginia
• Relative dating example 37
• Structure 19
• Rock unknown for lab exam
• Structure 13
• Chancellor Group slate, Yoho National Park, British Columbia, Canada
• Rock sample 1 (Glaciers lab)
• Wadi Bani Kharus Permian Unconformity
• Fossil specimen H
• Geologic map of the Williamsville, Virginia quadrangle
• Laminated Spechty Kopf Diamictite
• Way-up structure unknown for quiz
• Black Eagle Falls
• Structure 12
• Little Missouri River Meander Bend
• Sedimentary deposit for students to interpret
• Witvlei Group Stromatolites
• Pyritized plant tissue from the Spechty Kopf Diamictite
• Test question 22
• Bedrock geologic map of part of the northern disturbed belt, Lewis and Clark, Teton, Pondera, Glacier, Flathead, Cascade, and Powell Counties, Montana
• Topographic maps for the Running Water lab
• Fossil specimen 7
• Fossil example 1 from Unit B
• Tilted Madison Limestone, Teton River, Sawtooth Range
• Fossil example 3, sample 1, from Unit D
• Mudcracks
• Manuscript painting of Heezen-Tharp "World ocean floor" map by Heinrich C. Berann
• Diamictite from Storeelv Formation, Greenland
• Searles Lake and Trona, California
• Gastropod-bearing agate ("Turitella agate") of the Green River Formation, Wyoming
• Geologic map of Townsend, Montana
• TOPOGRAPHY
• Folded Bedrock, Looking Glass Highway
• Bow Falls Tool Marks
• PLATE BOUNDARY MAP
• Yellow Mountain and Chief Mountain
• Angular Unconformity, west of El Paso, Texas
• Going-To-The-Sun Road
• Helderberg limestones, Fort Valley Road, Virginia
• S2 meteorite impact tsunami deposit, Barberton Greenstone Belt
• Tuff Cliff
• Virgin River Gorge Morning
• Northern Argus Range
• Last Light on the Southern Panamint Range
• Structure 15
• Central Argus Range
• Unknown rock sample
• Lab exam unknown
• Cruziana
• Panamint Springs and the Northern Panamint Valley
• Komatiite, Barberton Greenstone Belt
• Spechty Kopf Diamictite, West Virginia
• Massanutten Sandstone
• Red Hole, Passage Creek, George Washington National Forest, Virginia (#1 of 2)
• El Paso Arroyo
• Graded bed in Martinsburg Formation
• Fossil 53
• Roadcut Northwest of Bisbee, AZ
• Seismicity of the Earth 1900–2018
• Accretionary lapilli, Msauli Chert, Barberton Greenstone Belt, South Africa
• Fossil specimen 24
• Cottonwood Mountains, Death Valley National Park
• Lava Lake, Montana
• Structure 18
• Canyon Diablo meteorite
• Fossil specimen D
• Fossil Snails in Reynolds Limestone
• Specimen 18
• Relative dating example 5
• Relative dating example 14
• Fossil 62
• Fossil 45
• Fossil specimen O
• Fossil specimen 4
• Chesapecten jeffersonius
• Rathlin Island Foram
• Sedimentary deposit for students to identify and intepret
• Structure 7
• Relative dating example 19
• Painted Canyon Fault
• Death Valley Buttes
• Intrusive Contact, La Posta Pluton
• Mafic Dikes Intruding Tonalite
• Slickensides in Roadcut
• San Andreas Fault
• Alluvial Fans - Sunny
• The Central Cottonwood Mountains
• North of Titus Canyon
• Mosaic Canyon Mouth
• "This Dynamic Planet"
• Victoria Roadcut
• Relative dating example 43
• Relative dating example 41
• Blue Hole, Passage Creek, George Washington National Forest, Virginia
• Fossil example 1, sample 3, from Unit G
• Structure 21
• Cribratina
• Lake Helen and Lassen Peak
• Wizard Island and Llao Rock
• New Hwy 44 Roadcut (Wide)
• Disconformity between Tensleep Fm and Goose Egg Fm
• Relative dating example 42
• Box Canyon Unconformity
• Box Canyon Anticline
• Painted Canyon, Mecca Hills
• Relative dating example 46
• Relative dating example 44
• Outcrop for students to interpret
• Relative dating example 45
• Microbially induced sedimentary structures, Barberton
• Map 2
• Structure 14
• Structure 17
• Fold Pair and Contact, Painted Canyon
• Fusulinids
• Geologic map of Arkansas
• Deformed Monterey Formation
• Palagonite Tuff and Obsidian Dome
• Mineral unknown
• Columns
• Geologic map of Arizona
• Geologic map of Pennsylvania
• Relative dating example 47
• Sample for students to evaluate
• Unconformity above Orocopia Schist
• Relative dating example 7
• Cross-bedding in Massanutten Sandstone
• Palagonite Tuff and Obsidian Dome
• Pumice Castle
• Carbonized fossil crane fly (Diptera, Tipulidae)
• Skolithos-bearing block of quartz sandstone (Antietam Formation)
• Graded bedding and dessication cracks in Tonoloway Formation limestone
• Sample to evaluate: sedimentary or metamorphic?
• The Pinnacles
• Banded iron formation, Barberton Greenstone Belt, South Africa
• Spheroidal Weathering
• Tyee Formation Turbidites
• unknown structure for students to identify
• Fossil specimen R
• Umpqua River Chevrons
• South Fort Valley Antiform
• Pillow Basalt Quarry #2
• Dropstone in Ghaub Formation, Namibia
• S3 spherulite, Fig Tree Group, Barberton Greenstone Belt
• Fossil specimen 10
• Relative dating example 50
• Mystery fossil for students to identify
• Fossil example 2, outcrop 1, from Unit D
• Relative dating example 49
• Fossil specimen P
• Interpretive map and guide to the volcanic geology of Chiricahua National Monument and vicinity, Cochise County, Arizona
• Fossil specimen U
• San Ignacio Fm, Atajo Fm, and Esperanza Basalt
• Massanutten sandstone slab with trace fossils
• Unknown rock for students to identify
• Lava pillows
• Structure 3
• Mudcracks at Höfn, Iceland
• Structure 28
• Outcrop 2
• Tonoloway Formation, folded as part of Patterson Creek Mountain Anticline, Corridor H, West Virginia
• Outcrop 5
• Precambrian-Aged Castle Danger Amygdaloidal Basalt, Crossed Polars
• Structure 11
• Specimen 6
• Relative dating example 11
• Blue Ridge and Massanutten Mountain from Little Crease Mountain
• Chippewa Falls
• Primary sedimentary structure for quiz
• Parallel Roads of Glen Roy, Scotland
• Structure 5
• S-C fabric in sheared granodiorite
• Gallinas Canyon Nonconformity
• Fossil specimen T
• Map for students to interpret
• Relative dating example 48
• Rock observation, description, and interpretation: Sample 2
• Sample A
• Giant's Causeway, Northern Ireland
• Unconformity at Telheiro, Portugal
• Unknown rock for lab exam
• Topographic maps lab maps
• Specimen 3
• Core interpretation exercise
• Tapeats Sandstone, Diamond Creek
• Knightia, fossil fish from the Eocene
• Relative dating example 28
• Specimen 5
• Miocene Ichnofossils, Mojave Desert
• Unknown for analysis
• Soda Lake from Zzyzx Road
• Specimen 9
• Specimen 8
• Road Cut N of Odemira
• Cabo Sardão
• Anticline in Veach Gap
• Cliffs at Cape Vincent, Portugal
• Unknown sample for lab exam
• Spechty Kopf Diamictite, Crossed Polars
• Buck Reef Chert
• Specimen 17
• Tucki Mountain, Death Valley NP
• Martinsburg Formation, Millner Road and Bethel Road, Shenandoah County, Virginia
• Geologic map of Utah
• Folds Near Bennington, Vermont
• Relative dating example 52
• Blueschist
• Joggins Fossil Cliffs
• Dikes in Roadcut
• Specimen 2
• Igneous rock I.8
• Fluvial and lahar deposits at Cold Springs, California
• Relative dating example 10
• Walmart Folds
• Relative dating example 53
• Angular Unconformity, Eastern Grand Canyon
• Topographic maps for the topographic maps lab
• Long's Canyon K/T Boundary (Wide)
• Long's Canyon K/T Boundary (Detail)
• Finlay Point Seacliffs
• Umpire Rock, Central Park
• Relative dating example 54
• Relative dating example 35
• Outcrop at the intersection of Fort Valley Road and Ramsey Road, Fort Valley, Virginia
• One Way Roadcut
• Geological map of New Mexico
• Relative dating sample 2
• Gowganda Tillite Detail
• Relative dating example 57
• Wiborgite Porphyry
• Relative dating example 60
• Fossil specimen 1
• Fossil specimen 13
• Finlay Point Harbour
• Relative dating example 56
• Looking East from Logan Pass
• Glacially-Polished Gowganda Tillite
• Relative dating example 58
• Altyn Peak and Apikuni Mountain
• Mona Formation Pillow Basalts
• Relative dating example 61
• Structure 9
• Specimen 13
• Parksville, NY Roadcut (NW Face)
• Rainy Cove Angular Unconformity
• Banded Iron Formation (BIF) at Jasper Knob
• Vishnu Schist and Zoroaster Granite, Diamond Creek
• Specimen 7
• Sample unconformity for testing
• Sample C
• Miocene Monterey Shale, Near Lompoc, California
• Relative dating example 59
• Unknown rock for lab practical
• A Complex Roadcut
• Fossil example 1 from Unit A
• Grudaidh Formation (Durness Group) w/ vogesite sills and faults
• Specimen 16
• Fossil specimen 14
• Fossil specimen Y
• Great Valley Sequence at Del Puerto Canyon #1
• Specimen 14
• The Kings Squash (Detail)
• Box Canyon Syncline
• Relative dating example 28
• Relative dating example 55
• Relative dating example 62
• Dismembered, Folded Sandstone ("Ploudin") from Corridor H, WV, Crossed Polars
• Specimen 12
• Veach Gap Anticline 1
• Fossil example 1 from Unit D
• Fossil specimen 16
• Mystery fossil for students to identify
• Peach Springs Tuff in Cook Canyon
• Fossil specimen C
• Relative dating example 9
• Relative dating example 63
• Mystery location
• Location 2, Glacier National Park, Montana
• Structure 20
• Folded Manhattan Schist
• Trans-Canada Highway Roadcut
• Fossil specimen 15
• Graded bed in Martinsburg Formation
• Relative dating example 39
• Highland County, VA Mafic Intrusion
• Relative dating example 65
• Eurypterid
• Relative dating example 66
• Structure 15
• Igneous rock I.5
• AGE OF THE SEAFLOOR
• Fine Sediment from Rathlin Island, Northern Ireland
• Geological contact for students to identify and interpret
• Unknown outcrop for Lab exam
• Sample 5
• Dismembered, Folded Sandstone ("Ploudin") from Corridor H, WV, Plane Polars
• Outcrop for students to evaluate.
• Till
• Outcrop 7
• Nautiloid in Mahantango Formation
• Stromatolites, Helena Formation, near Crypt Lake, Waterton Lakes National Park, Alberta
• Mahantango Formation showing trace fossils, Fort Valley Road, Virginia
• Parallel Roads of Glen Roy, Scotland
• Archean rock outcrop 3
• Fossil example 1, sample 1, from Unit G
• Relative dating example 68
• Relative dating example 33
• Relative dating example 70
• Relative dating example 23
• Fossil example 1 in sediment sample from Unit E
• Dismembered, Folded Sandstone ("Ploudin") from Corridor H, WV, Crossed Polars
• Sample 3
• Sample 4
• Relative dating example 69
• Relative dating example 64
• Outcrop 4
• Three Spires, Two Unconformities, Diamond Creek
• Relative dating example 34
• Carboniferous Forest
• Sedimentary rock 6
• Outcrop 8
• Paleovalley-Filling Ignimbrite
• Van Hise Rock
• Weasel Collar Glacier, Glacier National Park, Montana
• Cross beds in komatiitic ash deposits
• Athabasca Glacier
• Mahantango Formation
• Fluvial and lahar deposits at Cold Springs, California
• Sample B
• Fossil example 1, sample 2, from Unit G
• Archean rock sample 2
• OR-97 Roadcut (Upper End)
• Spechty Kopf Diamictite, Crossed Polars
• Fossil specimen 19
• Sample 1
• Relative dating example 32
• Archean rock outcrop 4
• Relative dating example 24
• Mystery fossil for students to identify and interpret
• Structure 11
• Massanutten Sandstone Bedding Plane Surface - Woodstock Tower, VA
• Crossbedded Fine Sandstone
• Trilobite, Devonian of Morocco
• Llao Rock
• Topographic maps for the glaciers lab
• Trezona Formation Stromatolites
• Crane fly
• Outcrop 6
• Unknown sample for students to identify and evaluate
• Fossil example 3 from Unit F
• Fossil example 1 (two samples) from Unit F
• Checkerboard Mesa
• Mystery fossil for students to identify and interpret
• Ammonite Showing Ammonitic Sutures
• Fossil specimens 20A and 20B
• Fossil specimen 6
• Specimen 19
• Outcrop 2, Wind River Canyon, Wyoming
• Specimen 11
• Location 1, Glacier National Park, Montana
• Structure 17
• Deformed Lynchburg Group, Riveredge Park, Madison Heights, VA
• Fossil specimen 18
• Devonian Hampshire, Latest Devonian Spechty Kopf, and lower Mississippian Rockwell formations roadcut on Corridor H, West Virginia
• Outcrop 1, Wind River Canyon, Wyoming
• Fossil example 2 from Unit G
• Turitella gastropod fossils in limestone of the Buda Formation, Cristo Rey, Texas
• Seismicity of the Earth 1900–2018
• Rock sample 2 (Glaciers lab)
• Puga Iron Formation, cut face
• Unknown sedimentary rock
• Dismembered, Folded Sandstone from Corridor H, WV, Plane Polars
• Geologic map of the Grand Canyon, Arizona
• Specimen 10
• Structure 19
• Strand Fiord Formation and camp southeast of Plateau Lake, Axel Heiberg Island, Nunavut, Canada
• Fossil specimen L
• Fossil specimens X1, X2, and X3
• Fossil specimen S
• Outcrop for students to identify and interpret
• Sedimentary deposit for students to interpret
• Structure 12
• Relative dating example 25
• Fossil specimens M1 and M2
• Structure 15
• Relative dating example 4
• Structure 2
• Structure 23
• Beartooth Highway
• Structure 9
• Structure 29
• Structure 10
• Structure 8
• Convolute Bedding in Millboro Formation Sandstone
• Graptolites
• Structure 16
• Relative dating example 21
• Structure 14
• Lower Martinsburg Formation outcrop at Funk Road and Route 11, south of Strasburg, Virginia
• Mineral unknown "R"
• Basalt and granite outcrops in California
• Leesburg Conglomerate
• Graptolite fossils in the Martinsburg Formation
• Fossil specimen 8
• Relative dating example 16
• Warm-up 1
• Rock observation, description, and interpretation: Sample 1
• Duplex structure east of Swift Dam, Montana
• Spechty Kopf Diamictite, exposed on Corridor H, West Virginia (second berm)
• Conococheague Formation exposed near Mulberry Run, Virginia
• Specimen 15
• Topo Maps for Topo Maps Lab
• Fossil specimen 26
• Geologic map of North America
• Structure 24
• Relative dating example 13
• Igneous rock I.6
• Structure 18
• Trilobite: Elrathia kingi
• Striations in Eldon Formation, exposed near Athabasca Glacier.
• Structure 4
• Relative dating example 29
• Outcrop 1
• Beartooth Highway
• Structure 26
• Fossil specimen 9
• Chancellor Group slate, Yoho National Park, British Columbia, Canada
• Fossil specimen J
• Mahantango Formation, showing Zoophycos trace fossils
• Torridonian Group, North-West Highlands, Scotland
• Little Glass Mountain Flow Margin
• Fossil specimen G
• Fossil example 3, outcrop 1, from Unit D
• Fossil specimen N
• Quiz cobble
• Tiny dropstone in Rockwell Diamictite
• Massanutten sandstone slab with trace fossils (annotations only)
• Geologic map of the Sun River Canyon area, Montana
• Example outcrop
• Fossil beetle
• Stutfield Glacier, Jasper National Park, Alberta, Canada
• Fossil specimen B
• Fossil specimen 3
• Fossil specimens E1 and E2
• Fossil specimen 12
• Little A Glacier and Boundary Glacier, near Icefield Centre, Icefields Parkway, Jasper National Park, Alberta
• Microbially-induced sedimentary structures, sandstone, Barberton Greenstone Belt, South Africa
• Specimen 4
• Structure 10
• Igneous rock I.4
• Test geologic map
• Fossil specimen 11
• Fossil specimen 21
• Relative dating outcrop 1
• Fossil specimen 25
• Fossils in the Martinsburg Formation
• Geologic Map of Leadville, CO and vicinity
• Relative dating example 22
• Relative dating example 6
• Igneous outcrop I.11
• Mahantango Formation Oolite with Intraclast
• Conococheague Formation at Mulberry Run, showing stromatolites
• Fossil specimen K
• Way-up structure for quiz
• Geologic map of the Roberts Mountain quadrangle, Montana
• Structure 27
• Structure 8
• Structure 1
• Trimmers Rock, PA: Bouma sequences
• Relative dating example 12
• Sample unconformity for quiz
• Relative dating example 51
• Structure 30
• Fossil specimens V1, V2, V3, V4, V5, V6, V7, V8, V9, and V10
• Helderberg limestone
• Zoophycos trace fossils in Mahantango Formation
• Fossil specimen 23
• Massanutten sandstone slab with trace fossils
• SharkBay, Western Australia
• Tennessee Valley Beach Sediments
• Conophyton
• Kaap Valley Pluton exposed along Queens River, Barberton Greenstone Belt, South Africa
• Fossil example 1, outcrop 1, from Unit H
• Ammonite
• Chesapecten nefrens
• Diamictite
• Fossil specimen 2
• Fossil specimen A
• Relative dating example 36
• Fossil specimen 27
• Massanutten sandstone slab with trace fossils (annotations only)
• California Poppies
• Structure 7
• Sample to evaluate: sedimentary or metamorphic?
• Outcrop for students to evaluate
• Contact between New Market Formation (lower unit) and overlying Lincolnshire Formation (upper unit), near Staunton, Virginia
• Outcrop for students to identify and interpret.
• Relative dating example 26
• Fossil example 2, outcrop 2, from Unit D
• Fossil example 2 from Unit A
• Unknown sedimentary rock
• Fossil example 2 in outcrop from Unit F
• Carbla Beach, Shark Bay, Western Australia
• Fossil example 1 from Unit C
• Outcrop for students to evaluate
• EARTHQUAKES
• Unknown structure for students to identify
• Relative dating example 8
• Archean rock sample 1
• Fossil specimen Z
• Mystery fossil for students to identify
• Pteridinium
• Relative dating example 31
• Fossil specimen 22
• Devonian Hampshire, Latest Devonian Spechty Kopf, and lower Mississippian Rockwell formations roadcut on Corridor H, West Virginia
• Fossil specimen W
• Neoarchean Pillow Basalts (by Ron Schott)
• Fossil specimen I
• Mystery contact to interpret
• Cleavage refraction in Konnarock Formation
• Structure 6
• Graded bed in Martinsburg Formation
• Anticline in Veach Gap
• Stretched Boulder Metaconglomerate
• Hampshire Formation
• An outcrop for Professor Barth's students to examine and interpret
• Dismembered, Folded Sandstone ("Ploudin") from Corridor H, WV, Plane Polars
• Structure 20
• Looking south from Waterton
• Shell-rich Horizon in Mahantango Formation
• Stromatolites in Helena (Siyeh) Formation Limstone from Alberta, Canada
• Sulphur Springs quadrangle, Florida topographic map
• Looking south from Waterton
• Barite horizon, Mapepe Formation of the Fig Tree Group
• Normal Fault in Chalk (Detail)
• Strained trilobite
• Graded bedding and dessication cracks in Tonoloway Formation limestone

Public Collections

• Spechty Kopf Diamictite
• Glacier National Park & surrounding areas