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Lake-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 ImageGlacial cirque below Wheeler Pk, Nevada
Glacial cirque and Cambrian Prospect Mountain Quartzite. Wheeler Peak in Great Basin National Park, Nevada (7GBNP-63)
Download ImageGlacial cirque below Wheeler Pk, Nevada
Glacial cirque and Cambrian Prospect Mountain Quartzite. Wheeler Peak in Great Basin National Park, Nevada (7GBNP-62)
Download ImageBergschrund and Horn, Wyoming (Vertical)
Bergschrund at the top of the Dinwoody Glacier and glacial horn. Mt. Wilson, Wind River Range, Wyoming. (2Gl-3)
Download ImageOhio River and Coal-fired plant, OH-IN
Aerial view, looking northwest to a meander bend on the Ohio River and the East bend Coal-fired generating station, Kentucky. The land across the river lies in Indiana. (160516-3)
Download ImageHogbacks and strike valleys, Colorado
Aerial view, looking northward, of hogbacks and strike valleys along Colorado’s Front Range near Loveland, Colorado. The mouth of the Big Thompson Canyon lies near the west edge of the photo, and a faulted south-plunging anticline lies near the center of the photo. (160513-29)
Download ImageBreaking waves, Oregon coast
Waves breaking on uplifted wave-cut bench, near Yachats, Oregon (220205-70)
Download Image
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