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Sky deposit (Sky prospects; Fran; Zora; Peanuts), El Capitan, El Capitan District, Mescal Mts, Gila Co., Arizona, USA

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A uranium deposit located on about 20 claims in sec. 2 (?), T3S, R15E, about 1 mile E of the El Capitan ghost town site, about 14 miles south of Globe, on private land. Owned by G.K. Angius and others, Miami, AZ.

Mineralization is a manto-shaped orebody 121.92 meters long. Host rocks are 2 to 4 feet of shale and platy siltstone strata at the base of the upper member of the Dripping Spring. Minerals occur along fractures and bedding planes. An associated rock unit is diabase. Radioactivity is strong and continuous along the outcrop.

Workings include several prospect pits and diamond drill holes.

Mineral List

5 entries listed. 4 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.


U.S. Atomic Energy Commission Report 172-480 (1953), Gila County Preliminary Reconnaissance Report: 72-73.

Granger, H.C. & R.B. Raup (1959), Uranium deposits in the Dripping Spring Quartzite, Gila County, Arizona, USGS Bull. 1046-P: 441, 473.

Granger, H.C. & R.B. Raup (1969), Geology of uranium deposits in the Dripping Spring quartzite, Gila County, Arizona, USGS PP 595: 2-3.

Granger, H.C. & R.B. Raup (1969), Geology of uranium deposits in the Dripping Spring quartzite, Gila County, Arizona, USGS PP 595 Supplement: 118-120.

USGS El Capitan Mountain Quadrangle map.

U.S. Bureau of Mines Docket No. DMEA-3932.

Arizona Department of Mineral Resources card file.

MRDS database Dep. ID #10026841, MRDS ID #M000495; and Dep. ID #10161563, MAS ID #0040070624.

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