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.
MRDS database Dep. ID file #10039481, MRDS ID #M050144.
A former small surface W-Cu mine located in sec. 13, T17S, R6E about 1½ miles NW of San Juan Spring. Discovered 1955 by Frank and Pauline Clark.
Mineralization is ore striking N65E and dipping 55SE. Locally quartzite strikes N80W and dips 70N.
A sample cut across the 15-foot face of the open cut assayed 0.057% WO3. Minor copper stain was noted throughout the shear zone.
Workings include an open cut that is 12 feet deep.
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Map Reference: 31°56'41"N , 111°41'17"W
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