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Copper Reef Mine (Copper Reef Consolidated; Rawhide Mountain prospects; Coronado claims; Coronado group; North Star Mine; North Star shaft), Copper Reef Mountain, Stanley District, Turnbull Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA

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A former underground Pb-Cu-Ag-Au-Mn-Fluorspar-Baryte mine located in secs. 28 & 29, T4S, R19E, 7 miles NW of Aravaipa. This property includes 125 unpatented claims. Claims extend into secs. 21, 28 & 29.

Mineralization is an irregular ore body 2.13 meters wide, striking N50W and dipping 30SW. Numerous small occurrences of baryte with lesser fluorite, commonly along bedding planes in limestone. Ore control was generally within one bed of limestone. An associated rock unit is quartz monzonite.

Workings are 731.52 meters long and 224.03 meters deep. Ore averaged 5.4% Cu.

Mineral List



14 entries listed. 12 valid minerals.

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References

Ross, Clyde P. (1925) Geology and ore deposits of the Aravaipa and Stanley mining districts, Graham County, Arizona, USGS Bull. 763: 111-112.

Stewart, L.A. & A.J. Pfister (1960), Barite deposits of Arizona, US Bureau of Mines Report of Investigation 5651: 30-31.

USGS & Arizona Bureau of Mines, and U.S. Bureau of Reclamation 1969, Mineral and Water Resources of Arizona, Arizona Bureau of Mines Bull. 180: 314.

Elevatorski, E.A. (1971), Arizona Department of Mineral Resources (ADMR), Arizona Fluorspar: 20.

Elevatorski, E.A. (1978), Arizona Industrial Minerals, Arizona Department of Mineral Resources, Minerals Report No. 2: 32-33.

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.

Arizona Department of Mineral Resources U file.

USGS San Carlos Reservoir Quadrangle map.

Yale Peabody GNIS database (NOTE: this database is derived from USGS 1:24,000 topographic map data).

MRDS database Dep. ID #10102428, MRDS ID #M001787; and Dep. ID #10186660, MAS ID #0040090120; and Dep. ID #10282512, MAS ID #0040090286.

 
Mineral and/or Locality  
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