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!
Mudcracks and sand

Mudcracks and sand, Death Valley National Park, California (180306-75)
Download ImageDesert Wash and Death Valley, California

Desert Wash in Death Valley National Park, California. Note the Mesquite Flat Sand Dunes in the middle ground. (180306-73)
Download ImageSand preserved from wind erosion

Sand preserved from wind erosion by mesquite trees, Death Valley National Park, California (180306-65)
Download ImageMudcracked lake bed and dunes

Mudcracked lake bed and sand dunes, Death Valley National Park, California (180306-61)
Download ImageMudcracked lake bed and dunes

Mudcracked lake bed and sand dunes, Death Valley National Park, California (180306-57)
Download ImageWind ripples and sand dunes, Death Valley, CA

Wind ripples and sand dunes, Death Valley National Park, California (180306-19)
Download ImageWind ripples and sand dunes, Death Valley, CA

Wind ripples and sand dunes, Death Valley National Park, California (180306-17)
Download ImageCanyon, eroded into limestone (square)

Canyon, eroded into limestone in Death Valley National Park, California (180306-4)
Download ImageCliffs of alluvial fan deposits, Death Valley, CA

Cliffs of alluvial fan deposits, Death Valley National Park, California. (180304-26)
Download ImageNatural Bridge in canyon (vertical)

Natural Bridge, formed by erosion of alluvial fan deposits, Death Valley National Park, California (180304-20)
Download ImageNatural Bridge in canyon

Natural Bridge, formed by erosion of alluvial fan deposits, Death Valley National Park, California (180304-3)
Download ImageHigh winds and airborne dust

High winds and airborne dust, Death Valley National Park, California (180302-36)
Download ImageBishop tuff, SE California (Pan)

Welded ash flow tuff of the .76Ma Bishop Tuff, Owens Valley, California. (180301-27)
Download ImageBishop tuff, SE California

Welded ash flow tuff of the .76Ma Bishop Tuff, Owens Valley, California. (180301-24)
Download ImageFallen blocks from cliffs above

Fallen blocks from cliffs above–Welded ash flow tuff of the .76Ma Bishop Tuff, Owens Valley, California. (180301-22)
Download ImagePleistocene shorelines along pluvial lake, Nevada

Pleistocene shorelines along pluvial Walker Lake, Nevada (180301-6)
Download ImageSelenite Gypsum

Selenite Gypsum crystals, hydrated calcium sulfate. Photo is about 15 cm across. (180228-17)
Download ImageBotryoidal hematite

Botryoidal hematite. Iron oxide. Photo is about 10 cm across. (180228-16)
Download ImageAragonite crystals (square)

Branching aragonite crystals (calcium carbonate), formed by growing in an unconfined space such as a cave. Photo is about 15 cm across. (180228-14)
Download ImageAzurite

Azurite, a blue, hydrated copper carbonate mineral. Photo is about 10 cm across the bottom. (180228-12)
Download Image
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