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Low-res wide angle shot.
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See if you can figure out the geologic history exposed in this roadcut.
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This porphyritic (olivine phenocrysts) vesicular basalt was collected from a roadcut on the southwest rift zone of Mauna Loa in Hawaii. I believe that it is from the 1907 lava flows in that area, though I'm not certain of that. I'm curious to see how the focus will work on a relatively flat (but not cut) surface. Th...
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Latourell is unique among the best-known Columbia Gorge waterfalls, in the way that it drops straight down from an overhanging basalt cliff.
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Whitman College geologists investigate beach outcrops of invasive basaltic dikes and sills just south of Seal Rock State Park on Oregon coast
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View from South Rim of Big Chico Creek Canyon - all of the lands within view in the canyon in this picture are in Bidwell Park or CSU, Chico's Ecological Reserve.
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Sunrise in NW Namibia in an area characterised by it's flat topped Basalt mountains.
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The source rock for the green sand GigaPan posted yesterday: gigapan.org/gigapans/98840 Image made as part of the MAGIC project (Mid-Atlantic Geo-Imagery Collection) using Northern Virginia Community College's gigamacro rig, as seen here: gigamacro.com/gigapixel-macro-imaging-system
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Fanglomerate of the western Culpeper Basin.
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Ten times the size of Niagara, Dry Falls is thought to be the greatest known waterfall that ever existed. According to the current geological model, catastrophic flooding channeled water at 65 miles per hour through the Upper Grand Coulee and over this 400-foot (120 m) rock face at the end of the last ice age. At this ...
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