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Geology of the Cerro Gordo mining district, Inyo County, California

Professional Paper 408

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Abstract

The Inyo Mountains near Cerro Gordo comprise strongly folded and faulted sedimentary rocks ranging in age from Ordovician to Middle Triassic. These were intruded by granitic bodies, aplite dikes, and by innumerable andesitic and dacitic dikes of later age. Though largely nonfoliated, the sedimentary rocks have undergone varying degrees of contact and hydrothermal metamorphism productive of hornfels, calc-hornfels, phyllite, and quartzite.

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Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Geology of the Cerro Gordo mining district, Inyo County, California
Series title:
Professional Paper
Series number:
408
Year Published:
1963
Language:
ENGLISH
Publisher:
United States Government Printing Office
Publisher location:
Washington, D.C.
Description:
iv, 83 p.
Country:
United States
State:
California;Nevada
County:
Inyo County
Other Geospatial:
Cerro Gordo Mining District