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Maine Mine (Maine claim; Ella Mine; Ella claim; Ochoa Mine), Washington Gulch, Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA

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Latitude & Longitude (WGS84): 31° 23' 4'' North , 110° 41' 59'' West
Latitude & Longitude (decimal): 31.3844444444, -110.699722222
Other regions containing this locality:Sonoran Desert, North America


A former small underground Zn-Pb-Cu-Ag-Au mine located on one patented claim, in the SE¼SW¼ of sec. 34, T23S, R16E. and the N½N½ sec. 3, T24S, R16E (protracted), adjacent on the S to the Indiana Mine, about ¼ mile SW of the New York Mine, on a southern tributary of Washington Gulch, ½ mile WNW of Washington Camp, at an elevation of about 5,800 feet, on National Forest land. Relocated by M.W. Thompson and others in the 1880's and subsequently deeded to Chalmar B. Coughlin. Produced 1880-1965. Owned at times, or in part, by the Allen Brothers; Thompson; Coughlin; the Duquesne Mining & Reduction Co.; Byrd (1938, 1945-1949); the Callahan Zinc Lead Co. (1941-1943); P.L. Hunter (1953); Brittain-Hendrickson Mining Co. (1955); Nash Mines (1955-19__ ?); and Mr. Alfredo Heredia (1951-1957); Carl Sandberg and Fred Williams (1964); and, A. Gonzales and Durazo (1965). Owned and operated by the Rosario Exploration Co. (1973).

Mineralization is oxidized sulfides with supergene enrichment near the surface, in pyrometasomatized and silicified Permian Naco Group limestone, along a fault contact with Jurassic-Triassic volcanics. The ore zone is 2.44 meters wide. Intrusive Laramide (Tertiary) biotite-hornblende granodiorite nearby. Some native copper found at the surface. Ore control was the N-S-trending fault contact zone. Ore concentration was oxidation with supergene enrichment near the surface. The host rock unit is the Concha Limestone. Hydrozincite coats vein walls. Some native copper found at the surface. The first 200 feet of the adit intersect numerous veins primarily of chalcopyrite; last 200 feet of adit is in barren limestone. Maximum vein width is 8 feet.

Local structures include the N-S-trending Kansas Fault. Tectonic elements include the Washington Camp Fault Block.

Mineral deposits of the Washington-Duquesne area occupy a limestone-sediment belt (2.5 miles long by 1.25 miles wide) surrounded by igneous rocks which also form detached masses and dikes within the belt.

Workings include tunnel, shaft and open cut operations totalling 274.32 meters in length. The main tunnel is 400 feet long. The shaft is a 100 foot inclined shaft with 250 feet of drifting on the 100 foot level, a 50 foot winze from the tunnel, and a 100 foot long drift from the bottom of the winze. Worked from the 1880's through 1965, mainly by lessees. Produced some 4,000 tons of ore averaging about 8% Zn, 3% Pb, 4% Cu, 5 oz. Ag/T and minor Au.

Mineral List


6 valid minerals.

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References

The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Scottsdale, AZ: 43.

Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 343.

Tenney, J.B. (1927-1929) History of Mining in Arizona, Special Collection, University of Arizona Library & Arizona Bureau of Mines Library: 293-300.

Simons, F.S. (1974) Geologic map and sections of the Nogales and Lochiel quadrangles, Santa Cruz County, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-762, 9 p., 1 sheet, scale 1:48,000.

Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 78 (Table 4).

Lehman, Norman E. (1978) The Geology and Pyrometasomatic Ore Deposits of the Washington Camp-Duquesne District, Santa Cruz County, Arizona. PhD dissertation, University of Arizona: 126-143.

U.S. Bureau of Land Management Mining District Sheet #727.

U.S. Bureau of Mines - Arizona Bureau of Geology and Mineral Technology file data.

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10046339, MRDS ID #M241346; and, Dep. ID #10113226, MAS ID #0040230274.

 
Mineral and/or Locality  
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