Maine Mine (Ella Mine; Ochoa Mine), Washington Gulch, Nash Mines group (Duquesne-Washington group), Duquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USAi

Regional Level Types
Maine Mine (Ella Mine; Ochoa Mine)	Mine
Washington Gulch	Gulch
Nash Mines group (Duquesne-Washington group)	- not defined -
Duquesne-Washington Camp	Mining District
Patagonia Mining District	Mining District
Patagonia Mountains	Mountain Range
Santa Cruz County	County
Arizona	State
USA	Country

A former small Zn-Pb-Cu-Ag-Au occurrence/mine located on one patented claim, in the SE¼SW¼ of sec. 34, T23S, R16E. and the N½N½ sec. 3, T24S, R16E (protracted), G&SRM, 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 Company (1941-1943); P.L. Hunter (1953); Brittain-Hendrickson Mining Company (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 Concha 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. Associated rocks include Late Jurassic-Early Permian tuff, welded tuff, rhyolite and latite. Local rocks include Jurassic volcanic rocks.

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 underground openings comprised of a tunnel, shaft and open cut operations totaling 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.

Production was some 4,000 tons of ore averaging about 8% Zn, 3% Pb, 4% Cu, 5 ounces Ag/ton and minor Au.

Other Databases

Link to USGS MRDS:	10046339

Other Regions, Features and Areas containing this locality

References