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Vekol Mine (Reward Mine), Casa Grande, Copperosity Hills, Vekol District, Vekol Mts, Tohono O'odom (Papago) Indian Reservation, Pinal Co., Arizona, USA

‡Ref.: Tenney (1927-1929) History of Mining in Arizona: 333-335.

Tenney (1934) Arizona Bureau of Mines, Reconnaisance of Casa Grande Mining District.

Denton, T.C. & P.S. Haury (1946), Exploration of the Reward (Vekol) zinc deposit, Pinal Co., AZ, US Bureau of Mines. Report of Investigation 3975.

Carpenter (1947) Ph.D. thesis, Stanford University.

U.S. Atomic Energy Commission Preliminary Reconnaisance Report (1953)

Galbraith, F.W. & Brennan (1959), Minerals of Arizona: 53; University of Arizona Bull. 41 (1916-17), Mineralogy of Useful Minerals in Arizona: 42.

Heindl, L.A. (1965), Mesozoic formations in the Vekol Mountains, Papago Indian Reservation, Arizona, USGS Bulletin 1194-G: G2 (Figure 1).

Shannon, D.M. (1983a), Ferroan dolomite from the Vekol mine, Mineralogical Record: 14:91.

Peterson, J.A. and Tosdal, R.M. (1986) Mineral Occurrence Map and Tabultion of Geologic, Commodity, and Production Data, Ajo and Lukeville Quadrangles, southwestern Arizona. USGS Miscellaneous Feild Studies Map MF-1834-A (scale 1: 250,000).

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 101, 123, 141, 170, 207, 225, 340, 378.

MRDS database Dep ID #10026734; MRDS ID #M000009.

NOTE: Heindl (1965), Figure 1, places the Reward Mine approximately 5 miles due east of the Vekol Mine in this district. It is not known if the Vekol Mine itself was also known as the(a) Reward Mine or if literary references are in error.

A former small underground Ag-Cu-Pb-Zn-Mo mine. Discovered 1879. First produced in 1882 and closed 1965.

Mineralization is ore in irregular pods. Strong oxidation occurred.

Locally the limestone dips west with east to NE-trending faults; fractures and small N-S faults at the mine.





Map Reference: 32°36'13"N , 112°8'26"W

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Mineral List:
  • Acanthite
  • Anglesite
  • Aurichalcite
  • Boleite
  • Calcite
  • Chalcopyrite
  • Chlorargyrite
  • Chrysocolla
  • Copper
  • Dickite
  • Dolomite
       var: Ferroan Dolomite
  • Fornacite
  • Galena
  • Jarosite
  • Kaolinite
  • Malachite
  • Pyrargyrite
  • Pyrite
  • Pyrolusite
  • Pyrrhotite
  • Siderite
  • Silver
  • Smithsonite
  • Sphalerite
  • Tetrahedrite
  • Wulfenite


    27 entries listed. 26 valid minerals.

    The above list contains all mineral locality references listed on mindat.org. 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!
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