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Uprooted tree in forest, Oregon
Uprooted and fallen tree in Coast Range, Oregon. This process brings buried rock to the surface to be transported downslope. (190406-11)
Download ImageUprooted tree in forest, Oregon (vertical)
Uprooted and fallen tree in Coast Range, Oregon. This process brings buried rock to the surface to be transported downslope. (190406-10)
Download ImageEuropean Beach Grass on dunes, Oregon
European Beach Grass (Ammophila –or “marram grass”) on coastal sand dunes, Oregon. (110306-29)
Download ImageOblique coastal sand dunes, Oregon
Aerial view of oblique (nearly transverse) coastal sand dunes, Oregon. Deflation plain lies between the prominent dunes and the ones directly behind the beach. (9A2K-47)
Download ImageJurassic Aztec Sandstone, Nevada (Vertical)
Cliffs of Jurassic Aztec Sandstone, Red Rocks State Park, Nevada –Jurassic sand dune deposits equivalent to the Navajo Sandstone (190329-12)
Download ImageAlkaline deposits, Death Valley, California
Alkaline deposits covering ground, leached upwards by evaporating water, Death Valley National Park, California (190328-55)
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Mudcracks and alkali deposits (vertical)
Mudcracks and alkali deposits, Death Valley National Park, California (190328-53)
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Desert Varnish on rock with fresh surface
Desert Varnish on rock with fresh surface exposed (190328-44)
Download ImageTilted rocks in Death Valley, CA
Tilted sedimentary rocks (and younger horizontal ones near center) in Death Valley National Park, California (190328-36)
Download ImageFeeder dike and rhyolite flow (vertical)
Feeder dike and rhyolite flow in the Black Mountains of Death Valley National Park, California (190328-29)
Download ImageFeeder dike and rhyolite flow
Feeder dike and rhyolite flow in the Black Mountains of Death Valley National Park, California (190328-26)
Download ImageSheath fold in neck of pegmatite boudins
Sheath fold in neck of pegmatite boudins within ductiley deformed marble. close-up of 4511-40. Rock hammer for scale. (4511-40c)
Download ImagePegmatite boudins in deformed marble
Pegmatite boudins in ductiley deformed marble. Note the sheath fold just below the boudin necks. Rock hammer for scale in center lower-left. (4511-40)
Download ImageCross-bedding in sand dunes, Oregon
Cross-bedding in sand dunes, Oregon (Umpqua Coastal Dunes) (190323-70)
Download ImagePond in coastal sand dunes, Oregon
Small pond within the Coastal sand dunes of Oregon (Umpqua Dunes) –an exposure of the water table! (190323-62)
Download ImageEdge of Coastal Dunes and beach, Oregon
Edge of Coastal Dunes and beach, Oregon –note the cross-bedding at the base of the dunes. (190323-49)
Download ImagePond in coastal sand dunes, Oregon
Small pond within the Coastal sand dunes of Oregon (Umpqua Dunes) –an exposure of the water table! (190323-47)
Download ImageSmall creek in coastal dune field, Oregon
Small creek in deflation plain of coastal dune field (Umpqua Dunes), Oregon (190323-39)
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