Английская Википедия:Coso Range
Шаблон:Short description Шаблон:Infobox mountain The Coso Range of eastern California is located immediately south of Owens Lake, east of the Sierra Nevada, and west of the Argus Range. The southern part of the range lies in the restricted Naval Air Weapons Station China Lake and the northern part of the range is designated as the Coso Range Wilderness.[1] The mountains include Coso Peak, at Шаблон:Convert above sea level, as well as Silver Peak and Silver Mountain, both more than Шаблон:Convert in height.
The range is underlain principally by Mesozoic granitic rocks that are partly veneered by upper Cenozoic volcanic rocks of the Coso Volcanic Field. The volcanic units (in apparent decreasing age) include (1) widespread basaltic flows, (2) dacitic flows and tuff, and (3) rhyolitic domes and flows and basaltic cones and flows. These volcanic rocks are encompassed by an oval-shaped zone of late Cenozoic ring faulting that measures about Шаблон:Convert east to west and Шаблон:Convert north to south and that defines a structural basin. Most of the Coso Range and a slice of the adjacent Sierra Nevada lie within this ring structure. The youngest volcanic rocks are Pleistocene and, with associated active fumaroles, occupy a north-trending structural and topographic ridge about Шаблон:Convert near the center of the basin. The ring structure and associated volcanic rocks suggest a large underlying magma chamber that has periodically erupted lava to the surface during the past few million years.
Prehistory
Numerous rock art sites (the Coso Rock Art District) are found in the range, left by the ancient Coso people. The prehistoric Coso inhabitants exported volcanic glass (Coso obsidian) and this highly valued toolstone has been found as far distant as the Channel Islands of California.[2] Little Petroglyph Canyon and Renegade Canyon within the Range are open for guided tours through the Maturango Museum in Ridgecrest, California.
See also
Notes
References
- California Road and Recreation Atlas. 2005, pg. 87
- C. Michael Hogan. 2008. Morro Creek, ed. by A. Burnham [1]
- Alan P. Garfinkel, 2007, Archaeology and Rock Art of the Eastern Sierra and Great Basin Frontier, Maturango Museum, Ridgecrest,California.
- Шаблон:Cite journal
- ↑ Шаблон:Cite web
- ↑ Garfinkel 2007
- Английская Википедия
- Mountain ranges of the Mojave Desert
- Volcanoes of Inyo County, California
- Igneous petrology of California
- Mountain ranges of Inyo County, California
- Mesozoic magmatism
- Pliocene volcanism
- Pleistocene volcanism
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