Latitude: 32°56'58"N
Longitude: 110°19'41"W
A former surface and underground Zn-Pb-Cu-Ag mine located in sec. 31, T5S, R20E, 1½ miles ESE of Aravaipa.
Mineralization is a tabular ore body hosted in Horse Mountain Tertiary silicic breccia, tuffs, andesite; and Escabrosa Limestone. The ore zone strikes N45E and dips 70NW. The vein is in a fault zone. An associated rock unit is the Copper Creek Granodiorite. Ore control was faults. The area is one of much small scale faulting involving quartz porphyry dikes, volcanics, limestones and schist. The Tule Mine is located at the intersection of two faults.
Area structures include the Tule Spring Fault, block faults trending NNW. Regional trends: minor Pre-Cretaceous E- and NE-trending folds and major Post-Cretaceus NNW-trending faults.
Production is unknown. The significance of Pb is unknown as only traces were found on the dump.
References
Ross, Clyde P. (1925b) Geology and Ore Deposits of Aravaipa and Stanley Mining Districts, Graham County, Arizona USGS Bull. 763.
Simons, F.S. (1964) Geology of the Klondyke Quadrangle Graham and Pinal Counties. USGS Professional Paper 461: 141.
USGS Cobre Grande Mountain Quadrangle map.
U.S. Bureau of Land Management Mining Claims Lead File #6032 (Jul, 1980).
MRDS database Dep. ID #10039434, MRDS ID #M050076; and Dep. ID #10161099, MAS ID #0040090346; and Dep. ID #10161247, MAS ID #0040090345.
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