Latitude: 31°59'53"N
Longitude: 111°51'49"W
‡Ref.: Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 112 (Table 4).
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10026912, MRDS ID #M001017; and, Dep. ID #10234726, MAS ID #0040190394.
A former small underground Ag-Cu-Au mine located in the NE ¼ sec. 31, T.16S., R.5E. (protracted), 6 miles N of Sells. Owned by Anderson; the Sherwood Copper Co.; the Delva Mining Co.; N.W. Leonard; and, H.P. Duffy.
Mineralization is partly oxidized quartz-calcite veins with spotty sulfides along a fault zone cutting Laramide dioritic to quartz monzonitic intrusive. High silver values in the oxidized zone.
Workings include a shaft(s). Sporadic production occurred during the periods 19817-1927 and 1952-1953, of a few tens of tons of ore averaging about 10% Cu, 37 oz. Ag/T and minor Au.
Mineral List
5 entries listed. 5 valid minerals.
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