Little Joker Mine (Little Joker prospect), Anaconda Mine group, Temporal Gulch, Wrightson District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
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|Latitude & Longitude (WGS84):||31° 38' 26'' North , 110° 48' 14'' West|
|Latitude & Longitude (decimal):||31.6405555556, -110.803888889|
Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 236.
Rohrbacker, R.T. (1964) Geology of the Temporal Gulch-Mansfield Canyon area, Santa Cruz County, Arizona: Tucson, University of Arizona, M.S. thesis, 81 p.
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 88 (Table 4).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 16 (Table 1).
Arizona Bureau of Mines card file Santa Cruz County.
MRDS database Dep. ID file #10234687, MAS ID #0040230263.
A former underground Pb-Ag-Cu-Zn-Au mine located in the SW¼NE¼NW¼ sec. 3, T.21S., R.15E. (Mount Wrightson 15 minute topo map), north of the St. Louis prospect, on National Forest land. Owned at times, or in part, by Parks; Anaconda-Arizona Mining Co.; Altamirano; and the Boulder Mining Co.
Mineralization is a 4 foot wide east-west vein. The vein croppings are prominent, standing in places from 4 to 10 feet above the surface. It is composed principally of quartz and barite. It is crushed and iron stained and contains pockets and stringers of galena, and the joints are coated with copper crbonates and apparently with silver bromide.
Workings include 3 shafts, the deepest at 60 feet.
2 entries listed. 2 valid minerals.
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