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Powers prospect (Copper Mountain prospect), Redrock Canyon, Redrock District, Santa Cruz Co., Arizona, USA

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‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 245.

U.S. Bureau of Mines card file.

U.S. Bureau of Mines field notes, FE1.

Arizona Bureau of Mines card file Santa Cruz County.

MRDS database Dep. ID file #10026857, MRDS ID #M000556 (M000558 ?); and, Dep. ID #10259478, MAS ID #0040230322.

A group of Fe-Ti-Cu claims located in sec. 31, T23S, R15E, about 3 miles east of Patagonia, on the south side of Redrock Canyon, 3 miles E of Patagonia, at an elevation of about 4,400 feet, on private land. They were located in 1885 by Mr. William Powers. NOTE: Alternate coordinates provided: 31.5464N, 110.705W (latitude varies significantly).

The croppings form a reef about 150 feet in height and 70 feet wide or red, ferruginous, silicified, leached rhyolite that strikes N.60ºW. The rhyolite is pitted with casts of pyrite and some of it is so heavily impregnated with iron oxides that it constitutes a good, low-grade iron ore. The adjoining gravels are firmly cemented by hematite and limonite leached from it. The croppings just above and 200 feet SE of the tunnel contain the iron and a small amount of malachite and azurite stain.

Workings include a development tunnel.

Mineral List

5 entries listed. 3 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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