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Mineral Resources of the West-Central Arizona and Southeastern California Detachment Terrane.
MISSING :113 pages
In accordance with the Mederal Land Policy and Management Act of 1976 (Public Law 94-579), and at the request of the Bureau of Land Management, the U.S. Bureau of Mines conducted mineral surveys, between 1979 and 1989, on 14 wilderness study areas (WSA's) in west- central Arizona and adjacent parts of southeastern California to appraise their mineral resources. Much attention has been focused on this region in recent years due to the discovery of several large- tonnage, low-grade gold deposits related to extensional tectonics (detachment faults). This report combines the Bureau data from the 14 WSA's and adds new data to present a regional study emphasizing the relationship of mineralization to detachment faulting.
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division