Search for any geological feature below
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Crater Lake and Wizard Island, Oregon
Crater Lake and Wizard Island, a post-caldera andesitic cinder cone. Crater Lake National Park, Oregon. (30-11314)
Download ImageCrater Lake and Phantom Ship, Oregon
Crater Lake and Phantom Ship. Crater Lake National Park, Oregon. (30-11233)
Download ImageGlacial valley, Glacier NP, Montana
Glacial valley and paternoster lakes, Glacier National Park, Montana. (30-1063)
Download ImageCross-bedded oolitic limestone limestone (vertical)
Cross-bedded oolites in sandy limestone of Altyn LImestone of the Proterozoic Belt Supergroup, Montana. (30-10282)
Download ImageCross-bedded oolitic limestone limestone
Cross-bedded oolites in sandy limestone of Altyn LImestone of the Proterozoic Belt Supergroup, Montana. (30-10281)
Download Imageripplemarks in fine sandstone.
ripples in fine sandstone of Proterozoic Belt Supergroup, Montana. (30-10344)
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Glacial valley, Glacier NP, Montana
Glacial valley and paternoster lakes, Glacier National Park, Montana. (30-1032)
Download Imagemudcracks in fine sandstone.
mudcracks in fine sandstone of Proterozoic Belt Supergroup, Montana. (30-10284)
Download Imagemudcracks in fine sandstone. (vertical)
mudcracks in fine sandstone of Proterozoic Belt Supergroup, Montana. (30-10278)
Download Imagemudcracks in fine sandstone.
mudcracks in fine sandstone of Proterozoic Belt Supergroup, Montana. (30-10277)
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Leading edge of Fold-Thrust Belt, Montana
The leading edge of the Fold-Thrust Belt, Montana is marked by a thrust fault at the front of the mountains, adjacent to the Great Plains. Cretaceous sandstone crops out in the foreground; Mississippian Madison Limestone forms the mountains in the background. (30-10162)
Download ImageOscillation ripples in fine sandstone
Oscillation ripples in fine sandstone of Proterozoic Snowslip Formation, Belt Supergroup, Glacier National Park, Montana. (30-1004)
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Grand Canyon, Arizona
Aerial view of flat-lying Paleozoic strata in Grand Canyon National Park, Arizona. Colorado River in lower right. (30-0366)
Download ImageGrand Teton, Wyoming (vertical)
Precambrian granite makes up the summit of the Grand Teton in Grand Teton National Park, Wyoming. (30-0778)
Download ImageGrand Teton, Wyoming (vertical)
Grand Teton and Mt. Owen in Grand Teton National Park, Wyoming. (30-0759)
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