Search for any geological feature below
–then click on the image to see a larger version in its correct format, a more detailed caption, and an ID number.
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SOME POINTERS:
Photos typically include their locations, so you can use locations as keywords too. You get more hits with shorter words, and fewer hits as you become increasingly specific with increasing numbers of keywords. It’s best to use singular rather than plural (eg “volcano” instead of “volcanoes”).
As some words are included in others (“salt” within “basalt,” for example) you might want to be more specific to avoid getting a bunch of irrelevant photos.
Or you can just scroll down and see the most recently added photos… Enjoy!
Cape Meares, Oregon
Aerial view of Cape Meares, Oregon, enshrouded by clouds. The headland, the one behind it, and the seastacks, consist of flows of the Columbia River Basalt Group. Netarts Bay and Spit lie in the background. (100723-124)
Download ImageCoastal Sand Dunes, Oregon
Aerial view of large transverse coastal sand dunes, Oregon (9A2K-46)
Download ImageBlack Canyon of the Gunnison, Colorado
Granitic dikes in wall of deep gorge, Black Canyon of the Gunnison National Park, Colorado (170402-49)
Download ImageBlack Canyon of the Gunnison (Vertical)
Granitic dikes in wall of deep gorge, Black Canyon of the Gunnison National Park, Colorado (170402-47)
Download ImagePothole, carved in granitic rock (square)
Pothole, carved by water erosion of granitic rock along Roaring Fork River, Colorado (160822-69)
Download ImageRoaring Fork River, and granitic rock, Colorado
Erosion of granitic rock in channel of Roaring Fork River, Colorado. (160822-65)
Download ImageRoaring Fork River, Colorado, (Vertical)
Erosion of granitic rock in channel of Roaring Fork River, Colorado. (160822-62)
Download ImageRoaring Fork River, and granitic rock, Colorado
Erosion of granitic rock in channel of Roaring Fork River, Colorado. (160822-60)
Download ImagePotholes, carved in granitic rock (Vertical)
Potholes, carved by water erosion of granitic rock along Roaring Fork River, Colorado (160822-52)
Download ImagePotholes, carved in granitic rock (Vertical)
Potholes, carved by water erosion of granitic rock along Roaring Fork River, Colorado (160822-50)
Download ImageGlaciated landscape, Independence Pass, CO
Glaciated landscape and metasedimentary rock of the Collegiate Peaks, Independence Pass, Colorado (160822-16)
Download ImagePegmatite cutting granite, Colorado
Pegmatite dikes cutting Proterozoic granitic rock of Mt. Evans batholith, Colorado. View is of Mt. Evans from summit of Mt. Bierstadt. (150927-29)
Download ImageGlacial tarn and alpine landscape, CO
Glacial tarn and alpine landscape near Mt. Bierstadt, Colorado (150927-11)
Download ImageVegetation growth in fractured granite, CO
fractures and growth of vegetation in granite, Rocky Mountain National Park, Colorado (140809-121)
Download ImageGlacial cirque, Colorado (vertical)
Glacial cirque, tarn, arete, and horn, eroded into granitic rock, Rocky Mountain National Park, Colorado. Upper Glacial Gorge, view from Pagoda Mountain. (140809-89)
Download ImageGlacial tarn, Colorado
Glacial tarn, bound by granitic rock, Rocky Mountain National Park, Colorado. The peak in the background is The Spearhead. (140809-56)
Download ImageGlacial tarn, Colorado
Glacial tarn, bound by granitic rock, Rocky Mountain National Park, Colorado. The peak in the background is The Spearhead. (140809-47)
Download ImageGrand Mesa and Juniata Reservoir, Colorado
Aerial view of Grand Mesa, capped by Miocene Basalt, and Juniata Reservoir, Colorado (160823-8)
Download ImageSmall normal faults on outer hinge of fold
Small normal faults allow extension of the outer hinge of an anticline in Mississippian Limestone, Montana. (4511-15)
Download ImageThrust fault and fold, Montana
Thrust fault, emplacing folded Mississippian limestone over Cretaceous shale, northern Montana Fold-thrust Belt. Note the small normal faults on the outside of the anticlinal hinge (3535-16)
Download ImageUplifted erosional surface, Colorado (Pan)
Panoramic view of Low-relief Eocene age “peneplain” uplifted to high elevations in Rocky Mountain National Park, Colorado. (100806-pan)
Download Image
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