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Fieldwork Panoramas, Summer/Fall 2006
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Fish Creek Mountain, an un-named caldera in the
Badger Mountain area, NW Nevada |
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The Black Rock Range, NV, just north of the Black
Rock Desert |
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This circular depression is the hole, excavated
by the collapse of Whitehorse Caldera, S. Oregon. The surfaceis flat because
it was filled in by lake sediments. |
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This is the Cottonwood Creek Volcanic Complex
(CCVC). It was termed a 'trans-tensional basin,' but is actually a caldera,
located just north of Gerlack in NW Nevada. |
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This is a picture looking east across the 25km
wide McDermitt Caldera, in NW Nevada |
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This spectacular feature, in center of the image,
is a vertical silicic dike that is cross-cutting older ignimbrites and lavas
of the Virgin Valley Caldera, shown below. |
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This is the Virgin Valley Caldera, on the boarder
of OR-NV. It is home to rich opal deposits buried within the light-colored
sediments in the basin. |
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