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Temperature inversion. Wasatch Mtns, Utah (Pan)
Aerial view of atmospheric inversion near Salt Lake City, Utah. (130102-20)
Download ImageTemperature inversion. Wasatch Mtns, Utah (Pan)
Aerial view of atmospheric inversion near Salt Lake City, Utah. (130102-24)
Download ImagePele’s hair and pahoehoe basalt
Pele’s hair (oxidized fibrous volcanic glass) and pahoehoe basalt, Hawaii
Download ImageSerpentinite outcrop, southern Oregon
Serpentinite outcrop of the Franciscan Terrane, southern Oregon (121229-36)
Download ImageBasalt flow filling ancient valley (Pan)
Basalt flow filling ancient valley cut into preexisting sedimentary rock, Oregon. (121011-2)
Download ImageSedimentary rock cut by dikes (Pan).
Highway Roadcut showing sedimentary rock of the Oligocene Fisher Formation cut by mafic dikes, Oregon. (121020-44)
Download ImageBasalt flow filling ancient valley, Oregon
Basalt flow filling ancient valley cut into preexisting sedimentary rock, Oregon. (121011-7)
Download ImageColumnar joints in intrusive basalt, Oregon.
Columnar cooling joints in intrusive basalt, Skinner Butte, Oregon. (121020-1)
Download ImageLake Missoula Strandlines
Shorelines from Pleistocene Glacial Lake Missoula, Missoula, Montana. (120715-9)
Download ImageLandslide and damaged roadway, Oregon.
Landslide and damaged roadway. Western Cascades, Oregon. (121006-5)
Download ImageEocene pillow basalt, Oregon
Eocene pillow basalt of the Siletzia Terrane, an accreted terrane of Oregon. Oregon Coast Range. (121006-12)
Download ImageLakebed deposits of glacial Lake Missoula
Lakebed deposits from Pleistocene Glacial Lake Missoula, western Montana. (120715-7)
Download ImageLahar deposit, western Cascades, Oregon
Eocene age lahar (volcanic mudflow) in the western Cascades of Oregon.
Download ImageThrust faults and folds, Oregon
Thrust faults and folds, Oregon Coast Range. (120904-66)
Download ImageToketee Falls, a waterfall over the edge of an intracanyon basal
Toketee Falls, a waterfall over the edge of an intracanyon basalt flow, Cascade Range, Oregon.
Download ImageLake Missoula Strandlines
Shorelines from Pleistocene Glacial Lake Missoula behind University of Montana campus, Missoula, Montana. (120715-11)
Download ImageLake Missoula Strandlines
Shorelines from Pleistocene Glacial Lake Missoula, Missoula, Montana. (120715-15)
Download ImageStylolites in limestone.
Stylolites, which consist of insoluble material, can form by dissolution creep during compaction or other deformation of rock. (120714-23)
Download ImageGlacial outwash gravel, Canadian Rockies
Glacial outwash gravel deposits beneath Athabasca Glacier, Jasper National Park, Alberta, Canada. (120713-67)
Download ImageTilted sedimentary rock, Canada
Tilted sedimentary rock of the Canadian Rockies. (120713-43)
Download ImageForeset beds in glacial outwash
Foreset beds in gravel of Gilbert-type delta, at mouth of steep canyon, British Columbia. (120714-31)
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