Latitude: 33°45'26"N
Longitude: 113°20'47"W
‡Ref.: Wilson, E.D., Cunningham, J.B., and Butler, G.M. (1934), Arizona Lode Gold Mines and Gold Mining (revised 1967), Arizona Bureau of Mines Bull. 137: 133.
Elsing, M.J. and Heineman, E.S. (1936) Arizona Metal Production, Arizona Bureau of Mines Bulletin 140: 104.
MRDS database Dep. ID file #10027658, MRDS ID #M003717.
A former underground Au-Ag-Cu-Pb mine located in sec. 19, T5N, R10W, on the plain South of the Harquahala Mountains, about 13 miles SE of Wenden, on BLM-administered land. Discovered in 1920 by Mr. A. Johnson.
Here a gravel-mantled pediment is trenched by arroyos which expose steeply-dipping, metamorphosed, impure shales of probable Mesozoic age, in a few places. It is intruded by dikes of altered, basic porphyry.
The mineralization is a vein deposit with a linear ore body locally associated with microdiorite dikes 20 to 25 MY in age. It occurs in a gently southward dipping brecciated zone that, due to flattening southward from the collar of the shaft, is only a few feet below the surface. Ore consists of brecciated, silicified shale with small fragments ofr coarsely crystalline, shiny gray quartz, cemented with limonite and other minerals and appears to represent a thrust fault zone into which the ore-bearing solutions entered from below along transverse fractures. Mineralization also includes Mn-dioxide.
Workings include a 187 foot (57 meters) deep inclined shaft (incline = 25º Southward). Production was 1,200 tons of ore containing $6-$16 of Au/T (period values); 722 tons of ore at 1.69% Cu, 0.503 oz. Au/T & 0.37 oz. Ag/T (Jan '25-May '33).
Mineral List
6 entries listed. 5 valid minerals.
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