rkohrs
Public Images
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Pictograph Panel at Wijiji Great House, Chaco Culture National Park, New Mexico
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Ammonite in hornfels (contact-metamophosed shale)
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Biotite Granite, Crossed Polars
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Elizabeth Furnace
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Ozark Cave
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Curiosity sol 309 (false color)
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Huckleberry Ridge Tuff, Madison Valley, Montana
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Capping Sandstone Member Paleosol
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Angular Unconformity, west of El Paso, Texas
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Leesburg Conglomerate
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Gravels exposed just above the confluence of the Salmon and Little Salmon Rivers, near Riggins, Idaho
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Cincinattian limestone with bryozoan fossils
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Welded tuff near Shoshone, California
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Martinsburg Formation, Page County, VA
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Lamprophyre Dikes on the Virginia Side, Visible From the Billy Goat Trail
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Glacier Flowing Into Laguna Torre
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Wrecked Wrack
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Ozark Cave
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Evaporite texture in Tonoloway Formation
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Ostracode and gastropod body fossils, Tonoloway Formation
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Castelmezzano Staircase Section- middle scoured surface
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Alki beach at low tide 6/16/18
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Vulcano, Aeolian Islands, Italy
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Corhaven Graveyard - Memorial Day 2020
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Dessication cracks in the Silurian Tonoloway Formation
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Devils Tower Mountain Historic Landmark and Road_American West Scenic
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Upper Freeport Coal
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Boudinage in Lewisian gneiss exposed near Durness
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View from Peñasco Blanco Pueblo, Chaco Culture NHS
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Foreknobs Formation - Corridor H Needmore section 2
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Ostracode and gastropod body fossils, Tonoloway Formation
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Martinsburg Formation graded bed
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Oriskany Fishing Hole
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5 pm Moho - Samail Ophiolite
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Bridalveil Falls from Big Oak Flat Road
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Crevasse Splay - Juniata Formation, West Virginia near Virginia border, Rt. 33
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Brokentop
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New Market to Lincolnshire to Edinburg Limestones - Strasburg, VA
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Lava flow of 1944, Vesuvius
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Amphibolite from Clear Creek Canyon, Colorado
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Cretaceous Seafloor
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Storm deposit in Reedsville Formation
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Serpentinite mélange, Marshall's Beach, San Francisco
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Marble, Crossed Polars
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Oldony'o Lengai Volcano
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Ammonite Showing Ammonitic Sutures
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Boudin mouth and neck, Lewisian gneiss exposed east of Durness, Scotland
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Little Glass Mountain Flow Margin
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Murray Bridge Quarry - Site 1
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Eyjafjallajokull from Flotshlid
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Upper Navajo Sandstone at Arches National Park, Utah
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Green River Formation - Tollgate Rock
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Glacial Till, Mount Rainier National Park
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Sediment from Mill Creek, Fort Valley, Virginia, USA
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Office Bookshelf and Deskcrops
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Lake Bogoria Geysers - East African Rift Valley, Kenya
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Arches NP, Delicate Arch
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Gallo Campground Petroglyph Panel
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Rift at Þingvellir, Iceland
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Massanutten Sandstone with trace fossils
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Franciscan Blueschist, Jenner, California
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Columbia River Flood Basalts, Lower Grand Coulee
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Anticline/Syncline Pair Patterson Creek Mountain Anticline WV55 North Side
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Panel along the Petroglyph Trail, Chaco Culture NHS
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Petroglyph Panel 4, Petroglyph Trail, Chaco Culture NHS
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Painted Wall, Black Canyon of the Gunnison National Park, Colorado
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Graptolites
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Tilted, Folded, Intruded Metamorphic Rock, Clear Creek Canyon, Colorado
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Biotite Granite, Plane Polars
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Ripple marks in Foreknobs Formation
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Kingsbarns Harbour
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Athabasca Glacier with prominent lateral moraines
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Long's Canyon K/T Boundary (Detail)
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Upper Freeport Coal
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Pueblo Bonito Masonry
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Newspaper Rock Petroglyph Panel, Utah
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Wavellite on Quartzite
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5 pm Moho - Semail Ophiolite
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5 pm Moho - Samail Ophiolite
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Horseshoe Bend, Glen Canyon National Recreation Area, Arizona
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Juniata 2 - West Virginia
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Bloomsburg outcrop
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Catherine Furnace
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Carroll Cave at entrance to Convention Hall
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Supernova Petroglyph
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Anticline/Syncline Patterson Creek Mountain Anticline WV55 BIG
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Cut Bank Soil Profile - Holmans Creek, Quicksburg, VA
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Crater Lake from West Rim
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Ancestral Puebloan Winter Solstice Petroglyph
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Massanutten Sandstone Bedding Plane Surface - Woodstock Tower, VA
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Sediment from Passage Creek, Fort Valley, Virginia
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Flow-banded rhyolite w/ mafic xenoliths
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Petroglyph panel along the Petroglyph trail, Chaco Cutlure NHS
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Petroglyph Panel at Chaco NHS, Panel 3
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Castile Fm. Evaporites
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Goosenecks state park
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Öxará River at Þingvellir National Park, Iceland
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Una Vida Petroglyph Panel
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Tonoloway Formation - Corridor-H east of Baker WV
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Highland County, VA Mafic Intrusion
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Sedimentary features in the Conemaugh Formation, Corridor H, West Virginia
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Intralayer folding in Permian Castile Formation gypsum/calcite varves, State Line Outcrop, TX/NM
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Valley of the French Torres Del Paine Patagonia Chile
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Millboro Formation fossils
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Alluvium and soil profiles
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Pillow basalts, Snæfellsnes Peninsula, Iceland
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Marble, Plane Polars
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Graptolite fossils in the Martinsburg Formation
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Coal, Conemaugh Formation, Corridor H, West Virginia
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Grand Tetons
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K/T boundary. Gubbio #3
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Millboro Formation shale, Route 33 near Brandywine, West Virginia
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Oriskany Fishing Hole
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Millboro Climbing Ripples
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Little Hot Springs Valley
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South lateral moraine, Athabasca Glacier (end-on view)
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Shasta Viewpoint
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Van Buren Iron Mine 2
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Basalt (picrite) from Iceland
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Seneca Rocks, West Virginia
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Andesite with aligned feldspar phenocrysts, Little Walker Caldera, California
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Iron Mine at Van Buren Furnace, Virginia
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Cut Bank Soil Profile - Holman's Creek, Quicksburg, VA
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Sedimentary Rocks Lab Sample L
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Convolute Bedding in Millboro Formation Sandstone
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Contact between New Market Formation (lower) and Lincolnshire Formation (upper), Staunton, Virginia
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Corhaven Graveyard - Memorial Day 2020
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Graptolite fossils in the Martinsburg Formation
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Farwell Canyon, Chilcotin, British Columbia
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Thingvelir
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Cut Bank Soil Profile - Holmans Creek, Quicksburg, VA
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Skolithos in the Hampshire Formation
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Green Tuff from Jawbone Flats, Oregon
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Keiyo Valley, The Great Rift Valley from Iten, Kenya
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MVHS Courtyard
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Murri Anticline and Oman Ophiolite
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Etna: auxillary crater
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North America Wall, El Capitan
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Cincinnatian limestone with lots of fossil components
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Martinsburg Formation exposed at Staunton, Virginia
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Helderberg Escarpment
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sumo sumitori
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Mole Hill Basalt
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Stretched belemnite fossil
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Massanutten Formation