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Packard Mine (Packard claims; Bluebird Fluorspar Mine; Bluebird Mine; Walnut Mine), Greenback Creek area, Tonto Basin, Tonto Basin District, Gila Co., Arizona, USA
Azurite
Packard Mine, Greenback Creek area, Tonto Basin, Tonto Basin District, Gila Co., Arizona, USA
Photo: Rob Lavinsky
Packard Mine, Greenback Creek area, Tonto Basin, Tonto Basin District, Gila Co., Arizona, USA
Photo: Rob Lavinsky
Latitude: 33°52'22"N
Longitude: 111°13'45"W
Longitude: 111°13'45"W
There is no detailed geologic map of this area. No major structures are mapped on the state geologic map. Conway's map is north of the mine area. Apache group rhyolite is regionally enclosed in Precambrian granite.
Mineralization is a 2 vein deposit with a crystalline to massive ore body hosted in the Apache Group rocks (rhyolite), and includes secondary copper minerals. The ore zone is 804.65 meters long, 0.91 meters wide, 2.13 meters thick, strikes E-W and dips 70-90S. Both veins are in faulted Precambrian granite. Medium-grained, white to purple fluorite and quartz in lenses i n an east-trending, steeply-dipping, half mile long fluorite vein that is up to 7 feet thick. Lenses average 2.8 feet thick and contain about 72% CaF2 and 20% SiO2. An associated rock unit is the Rian Granite.
Workings include two adits: the lower one is 75 feet in length and 2 feet in width; the upper one is 320 feet in length and 3 feet wide, totalling 120.4 meters in length. Minor production in 1958.
Mineral List
| Azurite | Calcite | Fluorite | Quartz |
4 entries listed. 4 valid minerals.
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References
The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Scottsdale, AZ: 64.
Batty, J.V. et al (1947), Concentration of fluorite ores from Arizona, California, Idaho, Montana, Nevada, and Wyoming, US Bureau of Mines Report of Investigation 4133.
Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 43.
Van Alstine, R.E. and Moore, R.T. (1969) Fluorspar, in Arizona Bureau of Mines Bull. 180 (USGS Bull. 871): 351.
Elevatorski, E.A. (1971), Arizona Department of Mineral Resources (ADMR), Arizona Fluorspar: 15-16.
Conway, C.M. (1976) Petrology, Structure, and Evolution of a Precambrian Volcanic and Plutonic complex, Tonto Basin, Gila County, Arizona, California Institute of Technology PhD thesis.
Minerals Availability System (MAS): Arizona Fluorspar, Arizona Department of Mineral Resources (1976), U.S. Bureau of Mines Report of Investigation 3880.
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.
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 7 (Table 1).
Sawyer, M.B., Gurmendi, A.C., Daley, M.R., and Howell, S.B. (1992) Principal Deposits of Strategic and Critical Minerals in Arizona, U.S. Bureau of Mines Special Publication, 334 pp.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 125, 223.
U.S. Bureau of Mines file data-cluster #981-Bluebird Fluorspar.
Yale Peabody GNIS database (NOTE: this database is derived from USGS 1:24,000 topographic map data).
MRDS database Dep. ID #10046361, MRDS ID #M241498; and Dep. ID #10112775, MAS ID #0040070004.
Batty, J.V. et al (1947), Concentration of fluorite ores from Arizona, California, Idaho, Montana, Nevada, and Wyoming, US Bureau of Mines Report of Investigation 4133.
Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 43.
Van Alstine, R.E. and Moore, R.T. (1969) Fluorspar, in Arizona Bureau of Mines Bull. 180 (USGS Bull. 871): 351.
Elevatorski, E.A. (1971), Arizona Department of Mineral Resources (ADMR), Arizona Fluorspar: 15-16.
Conway, C.M. (1976) Petrology, Structure, and Evolution of a Precambrian Volcanic and Plutonic complex, Tonto Basin, Gila County, Arizona, California Institute of Technology PhD thesis.
Minerals Availability System (MAS): Arizona Fluorspar, Arizona Department of Mineral Resources (1976), U.S. Bureau of Mines Report of Investigation 3880.
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.
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 7 (Table 1).
Sawyer, M.B., Gurmendi, A.C., Daley, M.R., and Howell, S.B. (1992) Principal Deposits of Strategic and Critical Minerals in Arizona, U.S. Bureau of Mines Special Publication, 334 pp.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 125, 223.
U.S. Bureau of Mines file data-cluster #981-Bluebird Fluorspar.
Yale Peabody GNIS database (NOTE: this database is derived from USGS 1:24,000 topographic map data).
MRDS database Dep. ID #10046361, MRDS ID #M241498; and Dep. ID #10112775, MAS ID #0040070004.
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