Search for any geological feature below
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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.
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Folded Proterozoic gneiss, Colorado

Folded Proterozoic gneiss intruded by granitic rock, Colorado. (Met-18)
Download ImageGneiss and granitic sills (vertical)

Gneiss and granitic sills, Rocky Mountain. National Park, Colorado. Longs Peak in background. (Met-15)
Download ImageFelsic dike (vertical)

Felsic dike and mountain peak in North Cascades National Park, Washington.
Download ImageU-shaped glacial valley, WA (vertical)

U-shaped glacial valley. Stehekin River, Washington.
Download ImageSkagit Gneiss Migmatite, WA

Migmatite of the Skagit Gneiss Complex, North Cascades, Washington. Rock hammer for scale. (MG6946)
Download ImageGlaciated peak, N. Cascades, WA.

Glaciated peak, Mt. Logan in North Cascades National Park, Washington. (MG7029).
Download ImageGlaciated Peak, North Cascades, Washington

Forbidden Peak, in the North Cascades National Park, WA is highly glaciated.
Download ImageNorth Cascades, Washington

Glaciated peaks of the North Cascades National Park, Washington (MG6817)
Download ImageEocene pillow basalt, Oregon

Exposure of pillow basalt of the accreted terrane Siletzia. Roseburg, Oregon. (MG2397)
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