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Pittsburg prospect (Six Mile Hill Mine group), Pearce District, Pearce Hills, Sulphur Springs Valley, Cochise Co., Arizona, USA

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Ref.: Smith, L.A. (1927) The geology of the Commonwealth mine: Tucson, University of Arizona, M.S. thesis, 73 p.

Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 187, Index of Mining Properties in Cochise County, Arizona: 70 (Table 4).

MRDS database Dep. ID file #10104063, MRDS ID #M241068; and, Dep. ID #10185586, MAS ID #0040030139.

A former small surface and underground Ag-Au prospect group located in the SE ¼ sec. 6, T.18S., R.25E, approximately 2 miles SW of Pearce,on the NW side of Six Mile Hill, on BLM land.

Mineralization is gold and silver halides in irregular, narrow stringers in fractured Tertiary rhyolite.

Local structures include flows which dip 30-40NE and strike NW; N-S faults are present and probably pre-mineralization in age.

Workings are shallow openings. A few tons of ore were produced about 1895-1896.

Mineral List

1 entry listed. 1 valid mineral.

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