Branch Manganese Mine (Orson Branch claim), Camp Grant Wash, Lookout Mountain area, Putnam Wash District, Pinal Co., Arizona, USA
Latitude: 32°49'26"N
Longitude: 110°44'48"W
A former Mn mine located in sec. 18, T7S, R16E, along Camp Grant Wash near its confluence with Putnam Wash, about 1¼ SSW of Lookout Mountain, on private land.
Mineralization is a manganese deposit at a contact or near an eruptive.
Production was 300 tons to Mar, 1941.
References
Dean, K.C., et al (1952), Concentration of oxide manganese ores from vicinity of Winkelman, Pinal County, Arizona, US Bureau of Mines Report of Investigation 4848.
U.S. Bureau of Mines card file.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 339.
MRDS database Dep. ID #10026868; MRS ID #M000661.
Mineral List
1 entry listed.
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