Kennedy Boys Lead Mine (Granite Mountain area), Owlshead Mountains, San Bernardino Co., California, USAi
|Regional Level Types|
|Kennedy Boys Lead Mine (Granite Mountain area)||Mine|
|Owlshead Mountains||Mountain Range|
|San Bernardino Co.||County|
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Latitude & Longitude (WGS84):
35° 43' 12'' North , 116° 52' 37'' West
Latitude & Longitude (decimal):
Köppen climate type:
A Cu-Ag-Zn-Pb-Au occurrence/prospect located in the NW¼ sec. 21, T19N, R1E, SBM, in the western Owlshead Mountains, ENE of Brown Mountain (Quail Mountains), on federal land (located claim). Discovered and first produced in 1907. MRDS database stated accuracy for this location is 10 meters. No active claims in 1982.
The ore body is 1.2 meters thick, 12 meters wide and 43 meters long. Ore body No. 1 is tabular in a fissure vein. Ore body No. 2 is irregular in a shear zone. Ore body No. 3 is breccia fill. The primary mode of origin was hydrothermal activity. Primary ore control was a contact zone. Secondary ore control was fracturing. Wallrock alteration is moderate (silicification). Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include unspecified surface and underground openings.
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List of minerals for each chemical element
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McMahan, Arel B., William L. Rice and Michael Sokaski (1985): Mineral Resources of the Owlshead Wilderness Study Area San Bernardino County, California: U.S. Bureau of Mines Open File Report MLA 14-85 (1985): Table 1, No. 1, p. 14.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10165500.
U.S. Bureau of Mines (1995), Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060711672.
|USGS MRDS Record:||10165500|
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