Santa Rita group (Hammer Head group), Greaterville District, Santa Rita Mts, Pima Co., Arizona, USA
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U.S. Bureau of Mines - Arizona Bureau of Geology and Mineral Technology file data.
MRDS database Dep. ID file #10109826, MRDS ID #M800098; and, Dep. ID #10162321, MAS ID #0040190783.
A former small surface Ag-Au mine located in the SW¼ sec. 33, T19S, R15E (assumed center of SW¼ section 33, MILS). Operated 1935. Operated by J. Christenson.
Mineralization is a vein deposit found in either Precambrian granite or Cretaceous sediments quartz latite dikes in the area. Alteration includes oxidation. An associated rock unit is quartz latite.
Local structures include block faulting.
Production was 2 tons, one year placer mine operating on the same site.
1 entry listed. 1 valid mineral.
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