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Yellow Brittlebush flowers bloom at the base of a Saguaro in the foothills of the Superstition Mountains
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- 205
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- 27
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The Huckleberry Ridge Tuff crops out at the top of the distant ridge on the south side dipping toward the south. It unconformably overlies Paleozoic sedimentary rocks that dip northward, forming an angular unconformity. The Huckleberry Ridge Tuff was deposited in horizontal sheets just 2.1 million years ago as a resu...
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- 2857
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- 1
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Two rock types exposed at the south end of the Sisters volcanic chain.
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- 1694
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Collected in Owens Gorge, northwest of Bishop, California, this piece of Bishop Tuff illustrates flattening of pumice balls during initial burial.
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- 1548
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The Owens River Gorge cuts down through the Bishop Tuff, exposing a cross section throught the 760,000 year old pyroclastic deposit that is unparalleled. This GigaPan was shot near the middle point of the Gorge. Cooling features can be seen along the walls of the Gorge.
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- 1457
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- 1
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As Highway 395 descends from the Long Valley Caldera into the Owens Valley the southbound lanes have a pullout with an overview of the Owens Valley - this is what you'll see there.
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Non-welded rhyolitic pyroclastics from the F2 ashfall layer of the Bishop Tuff. Age: 760 Ka. The petri dish is 9 cm in diameter. 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-m
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- 545
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- 1
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This was taken just a bit in from the Peralta Trailhead in Arizona's Superstition Mountains. The calderas (collapsed volcanoes) that formed the Superstitions made spectacular scenery.
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- 480
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- 1
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Rugged Arizona terrain viewed from an overlook of Fish Creek along the Apache Trail. The yellow rocks are thick layers of volcanic tuff from a gigantic caldera eruption that ocurred about 25 million years ago.
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- 286
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Rugged Arizona terrain viewed from an overlook of Fish Creek along the Apache Trail. The yellow rocks are thick layers of volcanic tuff from a gigantic caldera eruption that ocurred about 25 million years ago.
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- Total Views
- 221
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- 1

