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!
Granitic rock and boulder, Colorado
Boulder jammed in crack in granitic rock –a chockstone. Colorado (140810-76)
Download ImageVolcanic Bomb, Oregon Cascades
Volcanic Bomb, Oregon Cascades. North and Middle Sister volcanoes in background. (140902-112)
Download ImageGranitic rock and boulder, Colorado
Boulder jammed in crack in granitic rock –a chockstone. Colorado (140810-49)
Download Imagescattered boulders an alpine tundra, Colorado.
Scattered boulders an alpine tundra, Colorado. (140810-85)
Download ImageBoulder in crack (vertical)
Boulder jammed in crack in granitic rock –a chockstone. Colorado (140810-51t)
Download ImageGranitic rock and boulder, Colorado
Boulder jammed in crack in granitic rock –a chockstone. Colorado (140810-71)
Download ImageHeadwall in cirque, eroded into granitic rock, Colorado
Headwall in cirque, eroded into granitic rock, Rocky Mountain National Park, Colorado. McHenry’s Peak in background. (140809-11)
Download ImageGlacial cirque, Colorado.
Upper reaches of glacial cirque carved into Precambrian granitic rock, Rocky Mountain National Park, Colorado. (140809-94)
Download ImageBoulder in crack (vertical)
Boulder jammed in crack in granitic rock –a chockstone. (140810-40)
Download ImageGlacial cirque, Colorado.
Upper reaches of glacial cirque, Rocky Mountain National Park, Colorado. (140809-79)
Download ImageUpper reaches of glacial valley, Colorado
Upper reaches of glacial valley, Rocky Mountain National Park, Colorado. (140809-110)
Download ImageGranitic rock and metamorphic enclave, Colorado
Granitic rock and large raft of metamorphic rock, Longs Peak, Rocky Mountain National Park, Colorado(140809-67)
Download ImageVegetation colonizing fractured granite, CO
Vegetation colonizing fractured granite, Colorado. (140809-115)
Download ImageGlacial tarn in granite bedrock, Colorado
Glacial tarn in cirque eroded into Precambrian granite bedrock, Colorado. (140809-45)
Download ImageGlacial headwall, Colorado
The Spearhead, a glacially eroded headwall in Rocky Mountain National Park, Colorado. (140809-1)
Download ImageWater issuing from alpine spring, Oregon
Groundwater issuing from alpine spring, Oregon. (140802-61)
Download Image
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