Latitude: 32°28'49"N
Longitude: 110°45'33"W
Ref.: Dale, V.B., Stewart, L.A., and McKinney, W.A. (1960), Tungsten deposits of Cochise, Pima, and Santa Cruz Counties., Arizona, U.S. Bureau of Mines Report of Investigation 5650: 112-113.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 131 (Table 4).
USGS Mt Lemmon Quadrangle topo map.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10109624, MRDS ID #M051043; and, Dep. ID #10186507, MAS ID #0040190427.
A former small underground W-Cu-Ag-Au mine located in East-central sec. 18, T. 11 S., R.16E. Owned at times, or in part, by Taylor; and the Standard Tungsten Corp.
Mineralization is scattered large and small clusters of scheelite in an irregular, metamorphosed, and sheared quartzitic zone, possibly Precambrian or Cambrian, near the contact of Precambrian granite and Laramide quartz diorite. Ore control was the Geesman Fault; veins near a contact. Alteration includes propylitic epidote; some B-potassic; skarn.
Workings include adits and a shaft. The adit is plotted on topo maps. Developed originally in the early 1900's for copper, silver and gold. A few tons of ore was hand-sorted to produce 36% WO3 concentrates in 1948 and 45 tons of 1-5% WO3 ore were produced in 1953.
Mineral List
3 entries listed. 3 valid minerals.
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