Latitude: 33°11'54"N
Longitude: 114°36'45"W
Ref.: Farnham, L.L. & L.A. Stewart (1958), Manganese deposits of western Arizona, US Bureau of Mines Information Circular 7843: 80.
Parker, F.Z. (1966) The Geology and Mineral Deposits of the Silver District Trigo Mountains, Yuma County, Arizona. Masters Thesis, San Diego State College.
Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 181 (Table 4).
MRDS database Dep. ID file #10186519, MAS ID #0040120378.
A former underground Mn mine group located in the SW¼NE¼NE¼ sec. 3, T3S, R23W, on land of unknown status. Owned by Mr. Brown (1955).
Mineralization is pyrolusite mixed with calcite and brecciated wall rock, in lenticular shoots along a fracture vein in Tertiary andesitic volcanics.
Workings include shaft operations. This mine was worked in 1954-1955 and produced some 100 long tons of 20-30% Mn ore.
Mineral List
2 entries listed. 2 valid minerals.
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