Old Pap-Old Put Mines, Rosemont (Rosemont Camp), Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA
‡Ref.: Schrader, F.C. (1915) Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, with contributions by J.M. Hill: U.S. Geological Survey Bulletin 582, 373 p., 3 sheets, scale 1:125,000: 131-132.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 127 (Table 4).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 13 (Table 1).
USGS Sahuarita Quadrangle topo map.
MRDS database Dep. ID file #10186734, MRDS ID #M050050, MAS ID #0040190342.
A former underground pair of Cu-Ag mines located in the center of sec. 25, T.18S., R.15E. (Sahuarita 15 minute topo map), on patented (private) land. Owned by the Rosemont Copper Co.; and, ASARCO (1988-1992 & beyond). The Old Pap and Old Put patented claims are part of the Helvetia property owned by ASARCO (1992).
Mineralization is copper carbonates, oxides, and silicates in silicified, shattered, crushed, and locally iron-stained Paleozoic quartzite along cross-faults cutting thrust-faulted Paleozoic formations. Production from the late 1800'S to the early 1900's averaged 5% Cu (2000 tons of ore).
Workings include tunnels. Probably produced some 2,000 tons of ore averaging about 5% Cu in the late 1880's and early 1900's.
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3 entries listed. 3 valid minerals.
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