Quantrell Mine (Quantrell claim), Elephant Head group of claims (Tremaine-Daniels group), Mount Hopkins, Tyndall District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
Latitude: 31°42'35"N
Longitude: 110°55'26"W
‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 182-183.
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 85 (Table 4).
Arizona Bureau of Mines file data.
A Cu-Pb-Zn-Ag-Au mine located in T.20S., R.14E. Owned at times, or in part, by Powers & Stockton; Garrett & Parks; the Elephant Head Mining Co. (circa 1915); and the New State Mining Co. This claim is at the south end of the group.
Mineralization is partly oxidized sulfides in a quartz fissure vein and in a sheared and altered zone along rhyolite dikes cutting Laramide quartz monzonite wall rock. The mineralized zone is a 25 foot wide belt of altered, sericitized granite stained by iron and copper carbonate, with a 20 foot thick porphyry dike on the north.
Workings include adit and shaft operations. Worked in the early 1900's and in 1913-1914. The group produced some 950 tons of ore averaging about 8% Pb, 3 oz. Ag/T, and minor Cu, Zn, and Au.
Mineral List
4 entries listed. 4 valid minerals.
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