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!
Mt. Jefferson, Oregon
Mount Jefferson, a stratovolcano in the Oregon Cascades. (5D-8282)
Download ImageRounded cobbles on beach, Dungeness Spit, Washington.
Rounded cobbles on beach, Dungeness Spit, Washington. (5D-7144)
Download ImageDessication cracks on playa, SE Oregon.
Dessication cracks in mud on Summer Lake Playa, SE Oregon. (5D-7820)
Download ImageDessication cracks on playa, SE Oregon.
Dessication cracks in mud on Summer Lake Playa, SE Oregon. (5D-7855)
Download ImageDust storm on playa, Oregon
Dust storm on Summer Lake Playa, a pluvial lake in SE Oregon. (5D-7865)
Download ImagePegmatite dike cutting folded Archean gneiss.
pegmatite dike cutting folded Archean gneiss, Teton Range, Wyoming. (5D-6321)
Download ImageMudcracked playa, Oregon (vertical)
Dessication cracks in mud on Summer Lake Playa, a pluvial lake in SE Oregon. (5D-7832)
Download ImageMudcracked playa, Oregon (vertical)
Dessication cracks in mud on Summer Lake Playa, a pluvial lake in SE Oregon. (5D-7831)
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Sinter and hot spring (vertical)
Sinter (silica) deposits and hot spring, Yellowstone National Park, Wyoming. Photo is about 1.5 meters across. (5D-6435)
Download ImageRock and ice
Glaciers clinging to mountainside in North Cascades National Park, WA. (5D-6654)
Download ImageDebris flow on snow, North Cascades NP, WA.
Debris flow on snow, North Cascades NP, WA. (5D-6639)
Download ImageHot Springs, Yellowstone NP, WY
Hot springs and silica mineralization (sinter), Yellowstone National Park, Wyoming. (5D-6425)
Download ImagePegmatite dike cutting gneiss.
Pegmatite dike cutting foliated Archean gneiss, Teton Range, Wyoming. Note the chilled margin in the dike. (5D-6338)
Download ImageReverse grading in sedimentary rock
Reversely graded bed in conglomerate and sandstone of the Proterozoic LaHood Formation, SW Montana. (5D-6521)
Download ImageGlacial Valley and moraine-dammed lake.
Glacial valley and Moraine-dammed lake, Teton Range, Wyoming. Grand Teton National Park. (5D-6364)
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Folded dike in gneiss.
Folded dike in Archean gneiss, Teton Range, Wyoming. Photo is about 1.5 meters across. (5D-6286)
Download ImageFolded gneiss.
Folded Archean gneiss, Teton Range, Wyoming. Photo is approximately 60 cm across. (5D-6313)
Download ImagePegmatite sill intruding gneiss.
Pegmatite sills in Precambrian gneiss, northern Colorado. (5D-5917)
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