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Rhode Island Mine, Josephine Canyon, Tyndall District, Santa Rita Mts, Santa Cruz Co., Arizona, USA

Latitude: 31°39'20"N
Longitude: 110°52'0"W
‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 188-189.

Arizona Bureau of Mines card file Santa Cruz County.

U.S. Bureau of Mines field notes, CU44.

A former underground Cu-Ag-Au-Pb-Zn mine located 5/8 mile upstream NNE from the Mary and Polatski Mines, on the east side of Josephine Canyon, about opposite the Tia Juana cabin. Discovered in 1895.

Mineralization involves a 4 foot wide quartz vein in dacite, with about a foot of gouge on the hanging wall side.

The ore is comprised of oxidized iron and copper-stained quartz containing sulphides, copper carbonates and iron oxides. It also contains some silver and gold (3 oz. Ag/T & $2 Au/T [period values]).

Workings include a 100 foot drift and a 60 foot deep shaft.

Mineral List

Azurite
Chalcocite
Chalcopyrite
Galena
Hematite
var: Specularite

Malachite
Pyrite
Sphalerite


8 entries listed. 7 valid minerals.

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