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!
Mudcracked playa, Mojave Desert (vertical)

Mudcracked playa, Death Valley National Park, California. (6004)
Download ImageGrasses and water in desert, SE Oregon

Grasses and water at Summer Lake, Oregon. (5D-9909)
Download ImageMt. Wister, Grand Teton NP (vertical)

Mt. Wister and glacial tarn, Grand Teton National Park, Wyoming. (5D-6225hdrt)
Download ImageCattail (genus Typha), SE Oregon

Cattail (genus Typha) in southeastern Oregon. (5D-9920)
Download ImagePlaya scraper and track, Oregon

Playa scraper (a “sliding rock”) and its track, Summer Lake, Oregon. (5D-7810)
Download ImagePlaya scraper and track, Oregon (vertical)

Playa scraper (a “sliding rock”) and its track, Summer Lake, Oregon. (5D-7812)
Download ImageCattail -genus Typha-Oregon (vertical)

Cattail (genus Typha) growing next to a pond in southeastern Oregon. (5D-9844)
Download ImageBadlands eroded into lakebeds, Mojave Desert, California

Badlands eroded into Miocene China Ranch Lakebeds, Mojave Desert, California (5D-9549)
Download ImageMelange, Oregon (vertical)

Melange is a highly deformed rock that contains blocks of different lithologies in a sheared matrix. This melange is part of the Jurassic Otter Point Formation, Oregon. (5D-9207)
Download ImageSummer Lake, Oregon. (Pan)

Summer Lake, Oregon. View southwards towards California. (5D-7783)
Download ImageBadlands, Mojave Desert, California

Badlands eroded into Miocene China Ranch Lakebeds, Mojave Desert, California (5D-9547)
Download ImageWave breaking on sandstone berm, Oregon (vertical)

Wave breaking on sandstone berm, at Shoreacres State Park, Oregon. Cross-bedded sandstone in foreground and seacliffs behind is part of the Eocene Coaledo Formation. Note the angular unconformity between those tilted rocks and the uplifted marine terrace. (5D-8922)
Download ImageSeastacks and surf, Oregon. (vertical)

Seastacks, which mark former positions of the coastline, stand up out of the surf near Bandon, Oregon. (5D-9218)
Download ImageAsh Flow tuff, Crater Lake, (vertical)

Ash flow tuff from caldera-forming eruption of Mt. Mazama to form Crater Lake about 7700 years ago, Crater Lake National Park, Oregon. The ash flow deposits erode into Pinnacles. The pinnacles are more resistant to erosion than the surrounding rock because of precipitation of minerals from gas escaping from the ash flow. (5D-8664)
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