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Jerome No. 2 Mine, State of Maine group, Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group), Copper Camp, Hilton (Lead Mountain), Empire District, Empire Mts, Pima Co., Arizona, USA

Latitude: 31°52'14"N
Longitude: 110°38'35"W
‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 149.

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 118 (Table 4).

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 262.

USGS Empire Mountains Quadrangle topo map.

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10109612, MRDS ID #M050399; and, Dep. ID #10162095, MAS ID #0040190262.

A small former underground Pb-Zn-Ag-Cu-Au mine located in the NE ¼ sec. 18, T.18S., R.17E., and adjoins the Verde Queen property on the west, 9 miles SSW of Pantano, at an elevation of about 4,900 feet. Owned at times, or in part, by Hilton; and, Tong.

Mineralization is the Jerome vein or lode with lead, zinc, and minor copper carbonates with calcite, quartz and jarosite in irregular replacement orebodies along the faulted contact of Permian limestone and quartzite close to Laramide intrusive dikes. Here the vein is about 40 feet (12.19 meters) wide and is a contact deposit in hanging-wall limestone with quartzite forming the footwall, striking E-W, and dipping 70N. Alteration includes massive sulfide gossan. The outcrop is about 10 feet long.

Workings include a 65 foot deep shaft with a crosscut on the bottom. Worked intermittently from the early 1900's to the 1930's. Produced some 250 tons of ore averaging about 30% Pb, 11% Zn, 0.6% Cu, 6 oz. Ag/T and minor gold.

Mineral List

Calcite
Jarosite
Quartz
Smithsonite


4 entries listed. 4 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Arizona, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 30th Jun 2011 08:22:06
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