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White Prince claims, Quijotoa District, Quijotoa Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA

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‡Ref.: Stewart, L.A. & A.J. Phister (1960), Barite deposits of Arizona, U.S. Bureau of Mines Report Investigation 5651: 48-50.

Elevatorski, E.A. (1971), Arizona Fluorspar, Arizona Department of Mineral Resources, U.S. Bureau of Mines Report of Investigation 5651: 34.

Elevatorski, E.A. (1978), Arizona Industrial Minerals, Arizona Department of Mineral Resources, Minerals Report No. 2: 49.

Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.

Peirce, H. Wesley (1990), Arizona Geological Survey Industrial Minerals card file.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 128.

MRDS database Dep. ID file #10027153, MRDS ID #M002288; and, Dep. ID #10186509, MAS ID #0040190030.

A Baryte-Fluorspar-Mn occurrence/group of claims with underground workings located in sec. 17, T15S, R2E, 5 miles SW of the Quijotoa Trading Post.

Mineralization is disseminated, irregular. Limestone is a fault block within the andesite. The ore body is 76.2 meters long, 21.34 meters wide and 18.29 meters thick.

Two deposits are described: within a limestone block the baryte occurs as disseminations and veinlets along fractures (100 feet X 60 feet X 70 feet); within the andesite, to the north of the limestone, baryte occurs in irregular, discontinuous, parallel veins 2 feet wide, 250 feet long. Mineralization is largely in fault contact between limestone and andesite.

Assay within limestone (east side) is 60.6% BaSO4, 2.6% CaF2, 24.3% CaCO3. This is higher grade than the minable ore would be. Assay in the andesite is 69% BaSO4, 0.2% CaF2, and 7.4% CaCO3.

Local structures include limestone faulted into andesite on 3 sides, east contact strikes N-S, and dips 75W, south contact strikes N60W, and the west contact strikes N20E.

Mineral List

2 entries listed. 2 valid minerals.

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