‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 254.
Kartchner, W.E. (1944) The geology and ore deposits of a portion of the Harshaw district, Patagonia Mountains, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 100 p.
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 59 (Table 4).
USGS Mt Wrightson Quadrangle topo map.
Arizona Department of Mineral Resources Josephine claims file.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10186449, MAS ID #0040230246.
A former underground Pb-Zn-Ag-Cu-Au-Mn claim group located in the NE ¼ sec. 5, T.23S., R.16E. (protracted), about ¼ mile NW of the Trench Mine, at about the same elevation, near the World's Fair Mine road. Worked early by missionaries from the late 1850's. Discovered / rediscovered in the mid- 1870's but not worked until about 1885, continuing until 1890. It was rediscovered in 1899 by Farrell, Powers, and Morrison. Also worked from 1918 to 1945. Owned at times, or in part, by Messrs Archibald, Gardiner & Hop; Col. Titus; Hogan; Farrell, Powers, & Morrison (1899- ); Richardson; Trench Consolidated Mining Co.; Wilson; Trench Mining Co.; Gold Canyon Mining Co.; and the American Smelting & Refining Co. (ASARCO). Owned by the El Jakarta Mining Co Ltd. (1955).
The deposit is the northwesterly continuation of the Trench vein, which dips about 45ºN. in the diorite country rock, with intrusive rhyolite nearby. Ore here is about all sulphide.
Mineralization is a lensing, banded, porous, and drusy vein containing argentiferous cerussite, smithsonite, manganese carbonate (rhodochrosite) and oxides, and iron oxides with quartz in oxidized zone and base metal and other sulfides and sulfosalts in depth. Wall rock is Cretaceous andesite cut by rhyolite intrusions. Strong pyrite gossan. This vein can be traced for over 20,000 feet (6,400 meters) on surface.
Workings total about 3,500 feet of openings, including a 400 foot deep main shaft with several levels and 2 tunnels at 200 and 300 feet long (1881). A 200-ton flotation plant was erected. The Josephine deposit was discivered in the mid-1870's but was not worked until about 1885. The group (including the Josephine Mine) produced some 237,000 tons of ore averaging about 8.5% Pb, 6.3% Zn, 13 oz. Ag/T and minor copper and gold.
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Map Reference: 31°38'24"N , 110°52'50"W
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Mineral List:2 entries listed. 1 valid mineral.
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