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Glacial valley, Colorado
View down Glacier Gorge, a glacial valley in Rocky Mountain National Park, Colorado. (08-5672)
Download ImageGlacial valley, Colorado (vertical)
View down Glacier Gorge, a glacial valley in Rocky Mountain National Park, Colorado. (08-5669)
Download ImageWoman walking on playa, Oregon
Woman walking on the dry playa at Alvord Desert, SE Oregon (30-4422)
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Wind ripples on sand dunes, SE Cal (181109-39)
Wind ripples on sand dunes, Death Valley, California (181109-39)
Download ImageSand Dunes, Death Valley, California
Sand Dunes, Death Valley, California (111121-55)
Download ImageMigmatite. Skagit Gneiss, WA (square)
Migmatite. Skagit Gneiss, Washington. (5D-6946)
Download ImageBasalt lava flows, Iceland (square)
Multiple basaltic lava flows, Iceland (180906-7s)
Download ImageActive sulfur mineralization (vertical)
Steam and sulfur mineralization in active volcanic crater of White Island, New Zealand. Pyroclastic deposits make up the walls of the crater. (181110-40v)
Download ImageRoche Moutonee, SE Alaska
Young woman sitting on a Roche Mountonee near Juneau, SE Alaska. The gentle side with the glacial striations formed by abrasion; the steeper side by plucking. (150621-168)
Download ImageFront of Juneau Icefield, Alaska
Broken, crevassed front of Mendenhall Glacier, SE Alaska, which comes off the Juneau Icefield (150621-119)
Download ImageGraded beds in turbidites (pan)
Panoramic view of Graded beds in turbidites: top to left. Note also the erosional base to the coarse bed on the right. SE Alaska (150618-35)
Download ImageGraded beds in turbidites (pan)
Graded beds in turbidites: top to left. SE Alaska (150618-34)
Download ImageGranite cliff, Longs Peak, CO (vertical)
Cliff of Proterozoic Granite forming a glacial headwall, Longs Peak, Rocky Mountain National Park, Colorado (4935-40)
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Slickensided fault surfaces, Montana
Parallel fault surfaces, both decorated with sub-parallel slickenlines. (IP2106-7409)
Download ImageFolded phyllite cut by quartz veins
Folded foliation of Jurassic Darrington Phyllite (of the accreted Easton Terrane) cut by quartz veins, Washington (210826-6)
Download ImageFolded phyllite cut by quartz veins
Folded foliation of Jurassic Darrington Phyllite (of the accreted Easton Terrane) cut by quartz veins, Washington (210826-5)
Download ImageFolded phyllite cut by quartz veins
Folded foliation of Jurassic Darrington Phyllite (of the accreted Easton Terrane) cut by quartz veins, Washington (210826-2)
Download ImageFolded phyllite cut by quartz veins
Folded foliation of Jurassic Darrington Phyllite (of the accreted Easton Terrane) cut by quartz veins, Washington (210826-1)
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