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Upright syncline beneath unconformity
Upright syncline in Miocene-Pliocene lake beds beneath angular unconformity, SE California (220319-25)
Download ImageRecumbent isoclinal fold in sandstone
Recumbent isoclinal fold in sandstone and shale (220319-17)
Download ImageEroded Tecopa Lake beds, SE California
Eroded Tecopa Lake beds, SE California (220318-60)
Download ImageLow lake levels at Lake Mead, NV-AZ
Low lake levels at Lake Mead as shown by the “bathtub ring” of carbonate and salt deposits. View from Hoover Dam, Arizona-Nevada (220317-69)
Download ImageLow lake levels at Lake Mead, (Vertical)
Low lake levels at Lake Mead as shown by the “bathtub ring” of carbonate and salt deposits. View from Hoover Dam, Arizona-Nevada (220317-35)
Download ImageLow lake levels at Lake Mead, (Vertical)
Low lake levels at Lake Mead as shown by the “bathtub ring” of carbonate and salt deposits. View from Hoover Dam, Arizona-Nevada (220317-29)
Download ImageLake-deposited carbonate and salt (vertical)
Detailed view of Lake Mead “bathtub ring” made of lake-deposited carbonate and salt. View is about 10 meters from top-to-bottom) (220317-26)
Download ImageLow lake levels at Lake Mead, AZ-NV
Low lake levels at Lake Mead as shown by the “bathtub ring” of carbonate and salt deposits. View from Hoover Dam, Arizona-Nevada (220317-24)
Download ImageHoover Dam and Lake Mead, NV-AZ
Hoover Dam and Lake Mead. The light-colored “bathtub ring” around Lake Mead shows how much water level has dropped because of drought. (220317-5)
Download ImageHoover Dam and Lake Mead, NV-AZ
Hoover Dam and Lake Mead. The light-colored “bathtub ring” around Lake Mead shows how much water level has dropped because of drought. (220317-5)
Download ImageWave-cut platform and terrace, Oregon
Wave-cut platform and uplifted marine terrace (with buildings). The marine terrace rests with angular unconformity on tilted sandstone of Miocene Astoria Formation, Otter Crest and Cape Foulweather, Oregon coast. (220226-16)
Download ImageOxidized pyrite nodule in sandstone
Oxidized pyrite nodule in Miocene Astoria Sandstone, Oregon. Handlens for scale. (220226-7)
Download ImageThrust fault and fault-bend fold
Thrust faults and fault-bend anticline in hanging wall. southern BC, Canada (SrF-20)
Download ImageMt. Jefferson stratovolcano, Oregon (Vertical)
Rocks and reflection in subalpine lake and Mt. Jefferson, an andesitic stratovolcano of the Oregon Cascades. Russell Glacier occupies a cirque high on the peak. (5D-8438)
Download ImageRussell Glacier on Mt. Jefferson, Oregon
Russell Glacier fills a cirque high on Mt. Jefferson, an andesitic stratovolcano of the Oregon Cascades. (5D-8318)
Download ImageRussell Glacier on Mt. Jefferson, Oregon
Russell Glacier fills a cirque high on Mt. Jefferson, an andesitic stratovolcano of the Oregon Cascades. (5D-8316)
Download ImageGlacier on Mt. Jefferson, OR (Vertical)
Russell Glacier fills a cirque high on Mt. Jefferson, an andesitic stratovolcano of the Oregon Cascades (5D-8312)
Download ImageMt. Jefferson stratovolcano, Oregon
Reflection in subalpine lake and Mt. Jefferson, an andesitic stratovolcano of the Oregon Cascades. Russell Glacier occupies a cirque high on the peak. (5D-8305)
Download ImageMissoula Flood deposit, Oregon
Bouldery sedimentary deposit of the Missoula Floods, Spanish Hollow–just up from Biggs Junction, Oregon (130322-46)
Download ImageDinwoody Glacier, Wyoming
Dinwoody Glacier and nearby peaks of the Wind River range, Wyoming. The equilibrium line shows up nicely between the lighter-colored fresh snow and the darker older ice.
(Gl-11)
Glacial cirque and Wheeler Pk, Nevada
Glacial cirque and Cambrian Prospect Mountain Quartzite. Wheeler Peak in Great Basin National Park, Nevada. Note the rock glacier at the bottom of the cirque. (7GBNP-67) erosion
Download Image
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