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Enchanted Rock, Texas, a granite dome
Hikers on Enchanted Rock, an isolated dome (monadnock) of Proterozoic (1.05 Ga) granite in south-central, Texas. (190804-14)
Download ImageLahar deposit, eastern Oregon
Lahar deposit of the Miocene Succor Creek Formation, Owyhee Canyon, Eastern Oregon (191208-74)
Download ImageColumns, Carlsbad Caverns NM (vertical)
Where a stalagmite merges with a stalactite it forms a column. Here, three columns have formed close together. (100131-73)
Download ImageSmall oxbow being stranded, Colorado
Small oxbow on floodplain being stranded as the main stream channel cuts it off, Colorado (2K5-3742)
Download ImageSea stacks and stormy weather, Oregon
Sea stacks and stormy weather, Bandon, Oregon coast. (200105-5)
Download ImageChromite vein in peridotite and fault
Chromite vein in peridotite and shear fracture (190504-29)
Download ImageSmall fault in peridotite
Small fault in peridotite offsetting chromite vein (black) and in the upper right, a quartz vein (white) (190504-28)
Download ImageChromite vein in peridotite (vertical)
Chromite vein in peridotite and shear fracture, Oregon (190504-25)
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Sea stack and sunset, Bandon, Oregon
Sea stack and sunset, Bandon, Oregon coast. (201228-131F)
Download ImageRibbon chert and sea stacks, OR (vertical)
Jurassic ribbon chert and sea stacks of the Otter Point Formation, Bandon, Oregon coast. (201228-118)
Download ImageRibbon chert and sea stacks, OR
Red ribbon chert and sea stacks at Bandon Beach, Oregon coast. (201228-97)
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Sea stacks and terrace, Oregon (Pan)
Panorama of sea stacks on beach at low tide and uplifted marine terrace, Bandon, Oregon coast. (201228-63)
Download ImageToe of Big Obsidian Flow, Oregon
Toe of Big Obsidian Flow, Newberry caldera, Oregon (190608-93)
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Obsidian and pumice (vertical)
Interlayered and folded obsidian and pumice, Oregon (190608-32)
Download ImagePhantom Ship, Crater Lake, Oregon
Phantom Ship a small island of 400,000 year old andesite in Crater Lake, Oregon (2K7CRLA-65)
Download ImageTalus inside Crater Lake caldera, Oregon
Talus deposit inside Crater Lake caldera from ongoing erosion of caldera walls, Oregon (2K7CRLA-49)
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