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!
Mylonitic front of metamorphic core complex, Arizona
Mylonitic front of Catalina-Rincon metamorphic core complex, Saguaro National Park East, Arizona. (190125-114)
Download Imagetraffic jam and Tsunami hazard sign, Oregon
Backed-up traffic while leaving Tsunami Hazard zone, Oregon Coast (180728-42)
Download ImageFallen sandstone blocks, Utah
Sandstone blocks resting on shale and siltstone, having fallen from the cliffs above, Utah. (170331-51)
Download ImageUplifted terrace and wave-cut bench, (Vertical)
Uplifted marine terrace and wave-cut bench, Otter Crest, Oregon coast. Note how many of the waves are breaking on a ring dike of intrusive (invasive) basalt of the Columbia River Basalt Group. (180629-47)
Download ImageUplifted marine terrace and wave-cut bench, OR
Uplifted marine terrace and wave-cut bench, Otter Crest, Oregon coast. Note how many of the waves are breaking on a ring dike of intrusive (invasive) basalt of the Columbia River Basalt Group. (180629-46)
Download ImageSpeleothems in limestone cave
Where a stalagmite merges with a stalactite (as on the left-hand side of this photo), it forms a column. This photo shows a stalagmite and a stalactite that have grown very close to that point of merging, Carlsbad Caverns National Park, New Mexico. (100131-129)
Download ImageSpeleothems in limestone cave (vertical) (vertical)
Where a stalagmite merges with a stalactite (as on the left-hand side of this photo), it forms a column. This photo shows a stalagmite and a stalactite that have grown very close to that point of merging, Carlsbad Caverns National Park, New Mexico. (100131-126)
Download ImageSpeleothems in limestone cave (vertical)
Where a stalagmite merges with a stalactite it forms a column, Carlsbad Caverns National Park, New Mexico (100131-120)
Download ImageStalagmite in limestone cave (vertical)
Detail of a stalagmite, Carlsbad Caverns National Park, New Mexico. (100131-63)
Download ImageFlowstone in limestone cave.
Flowstone, Carlsbad Caverns National Park, New Mexico (100131-49)
Download ImageCinder cone and Owens Valley, California
Cinder cone and Owens Valley, California. Owens Valley is a graben, dropped down between the Sierra Nevada (right-west) and the White/Inyo Mountains (left-east) (181819-26)
Download ImageLake Shasta in drought, California
Low lake levels in Lake Shasta because of long-term drought. (18111-12)
Download ImageMigratory birds, Sacramento Valley, CA
Migratory birds taking flight in the Sacramento Valley, California. (181111-3)
Download ImagePine growing from crack in granitic rock
Pine tree growing from crack in granodiorite of the Sierra Nevada, Yosemite National Park, California. (181110-33)
Download ImageGlacial polish, Yosemite National Park, California
Glacial polish, formed by glacial erosion (abrasion) on granitic rock in the Sierra Nevada, Yosemite National Park, California. (181110-21)
Download ImagePartially resorbed enclave in granodiorite
Partially resorbed mafic enclave in granitic rock (granodiorite) of the Sierra Nevada. (181110-14)
Download ImagePartially resorbed enclave in granodiorite
Partially resorbed mafic enclave in granitic rock (granodiorite) of the Sierra Nevada. (181110-11)
Download ImagePines growing from crack in granitic rock.
Pine trees growing from crack in granodiorite of the Sierra Nevada, Yosemite National Park, California. (181110-9)
Download Imagevertical cliff face of granodiorite, Yosemite NP
Vertical cliff face, controlled by joints (fractures) in granitic rock of the Sierra Nevada, Yosemite National Park, California. (181110-6)
Download ImageRoche Moutonee (vertical)
Downstream edge of roche moutonee, formed by glacial erosion in granodiorite of the Sierra Nevada, Yosemite National Park, California (181110-3)
Download Imagemudcracked lake bed, Death Valley, CA
Dessication cracks in lake bed, Death Valley National Park, California. (181109-51)
Download Image
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