Camden Mine, Prosperity Mine group (Helmet Peak group; Helmet Peak Mine; Prosperity claims), Pima Mining District, Sierrita Mountains, Pima County, Arizona, USAi
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Ref.: Ransome, F.L. (1922) Ore deposits of the Sierrita Mountains, Pima County, Arizona, in Contributions to Economic Geology (Short Papers and Preliminary Reports), 1921 - Part I.--Metals and Nonmetals except Fuels: U.S. Geological Survey Bulletin 725J: 424.
Wilson, E.D., et al (1950), Arizona zinc & lead deposits, Part I, Arizona Bureau of Mines Bull. 156: 49.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 137 (Table 4).
Arizona Bureau of Mines file data.
A Pb-Ag-Zn-Cu-Au mine located in T.17S., R.12E. Owned at times, or in part, by the Prosperity Smelting & Mining Co.; Helmet Peak Mining & Milling Co.; and the Great Northern Exploration Co., Inc.
Mineralization is complex, partly oxidized silver-lead-zinc-copper minerals in irregular pockets, lenses and pods along fracture zones in brecciated, altered, Cretaceous andesite volcanics and clastic sediments within the San Xavier thrust fault block.
Workings include shaft operations. Worked sporadically from the late 1880's to 1955. The group produced an estimated and reported total of some 1,000 tons of ore averaging about 7% Pb, 7 oz. Ag/T, 1% Zn, 0.5% Cu and minor Au. Most high-grade ore was mined prior to 1900.
List of minerals for each chemical element
Other Regions, Features and Areas containing this locality
Mexico
- Sierra Madre OccidentalMountain Range
North America
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mazatzal DomainDomain
- Southern Basin and RangeWide Rift
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