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!
Sand Dune, Mojave Desert (vertical).

bex Dunes, Death Valley national park, California. (Image ID #111121-34)
Download ImageFolded Gneiss (vertical).

Ptygmatically folded gneiss found in Southeastern California. (Image ID #111120-28)
Download ImageFolded Gneiss

Ptygmatically folded gneiss found in southeastern California. (Image ID #111120-26)
Download ImageMafic Dikes intruding Limestone

Mafic Dikes of the Independence Dike Swarm in southern California (ID # 111119-94)
Download ImageTufa Pinnacles at Mono Lake (vetical)

Tufa is calcium carbonate, precipitated in over-saturated lake water (Image ID #111119-57)
Download ImageTufa Towers, Mono Lake, California

Tufa is calcium carbonate, precipitated in over-saturated lake water (Image ID # 111119-44)
Download ImageTufa towers, Mono Lake, California

Tufa is calcium carbonate, precipitated in over-saturated lake water (Image ID # 111119-41)
Download ImageTufa towers, Mono Lake, California

Tufa is calcium carbonate, precipitated in over-saturated lake water (Image ID # 111119-35hdrf)
Download ImageLenticular Clouds over Mono Lake, CA (pan)

These stationary, lens-shaped clouds are formed by high, gusty winds in the troposphere. (Image ID# 111118-87hdrt)
Download ImageRoche Moutonee, Yosemite NP, Cal.

Lembert Dome. Glacial ice movement was right to left, causing abrasion on the smooth right side and plucking on the steep left side (Image ID # 111118-67)
Download ImageRoche Moutonee, Yosemite NP, Cal.

Lembert Dome. Glacial ice movement was right to left, causing abrasion on the smooth right side and plucking on the steep left side (Image ID # 111118-65)
Download ImageRoche Moutonee, Yosemite NP, Cal.

Lembert Dome. Glacial ice movement was right to left, causing abrasion on the smooth right side and plucking on the steep left side (Image ID # 111118-53)
Download ImageRoche Moutonee, Yosemite (Vertical).

Lembert Dome, Yosemite National Park, California. Glacial ice movement was right to left, causing abrasion on the smooth right side and plucking on the steep left side. (Vertical. Image ID #111118-51-1)
Download ImageRoche Moutonee, Yosemite NP, Cal.

Lembert Dome. Glacial ice movement was right to left, causing abrasion on the smooth right side and plucking on the steep left side (Image ID #111118-44-1)
Download ImageAplite dike and glacial striations (vertical)

Yosemite National Park, California. Aplites are intrusive igneous rocks mostly found as veins and dikes within granitic intrusion. Yosemite National Park, California. (Vertical. Image ID# 111118-36-1)
Download ImageTree growing in crack (vertical)

A tree finds space to grow in a granitic rock fracture in Yosemite National Park, California. (Image#111118-20-1)
Download ImageAplite Dike in Granitic Rock (vertical)

Yosemite National Park, California. Aplites are intrusive igneous rocks mostly found as veins and dikes within granitic intrusions. Yosemite National Park, California. (Vertical. Image ID #111118-16-1)
Download ImageEast side of Teton Range, WY (pan)

Archean basement rock of Teton Range from Table Mountain, Grand Teton National Park, Wyoming. (Image ID# pan-highTetons3)
Download ImageDecollement in limestone (pan)

Decollement, or detatchment, in Cretaceous limestone, SW Montana. Note how strongly deformed limestone sits on top undeformed beds; the decollement surface is the top of the undeformed limestone. (Image ID# decollementpan)
Download ImageBasalt Lava Flows of Kauai (pan)

Located in the Waimea Canyon, these basalts are some of the oldest lava flows in the Hawaiian Islands dating back to the beginning of the Pliocene Epoch. The red soil is called laterite, a product of tropical weathering of the basalt. (Image ID# WaimeaCynPanB)
Download Image
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