Commodities
PrimaryCopper
SecondaryMolybdenum
TertiaryGold, Silver
Commodity typeM
Deposit
Deposit typePorphyry Cu
Model53: Porphyry Cu
WorkingsUnderground
Materials
Ore mineralsAtacamite, Chalcocite, Chalcopyrite, Chrysocolla, Molybdenite, Pyrite
Other materialsCovellite
Geology
Host rockGranite,Monzonite,Diabase · "Oracle Granite ", "quartz monzonite "
Economic & production
Development statusPast Producer
Discovery year1976
Identification
Deposit ID10113316
MRDS IDM030493
Alternate namesFranny-Granny, Francisco Grande, Fanny-Granny, CASA GRANDE
RegionNA
Data scoreA
Coordinates32.89979, -111.88242
References
Greeley, 1978, Admr Spec Rept No. 2, P. 83-87.Ullmer, 1978, Jour Geochem Expl, V.9, No. 2-3, P. 235-236.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 P.Cook S S and Porter T M, 2005 - The Geologic History of Oxidation and Supergene Enrichment in the Porphyry Copper Deposits of Southwestern North America, in Porter T M, (Ed), Super Porphyry Copper and Gold Deposits: A Global Perspective, v1 pp 207-242\nKreis, H.G., 1995, Geology of the Santa Cruz porphyry copper deposit; in Pierce, F.W. and Bolm, J.G., eds., Porphyry Copper Deposits of the American Cordillera, Arizona Geological Society, Digest 20, p. 364-365.The Porter GeoConsultancy webpage for Santa Cruz contains a description of the geology. Accessed on 9/29/2010.\nhttp://www.portergeo.com.au/\nCimriArizona Department Of Mines And Mineral Resources. Unpublished, Public Files Data, 1988; Available Upon Request From Admmr, Phoenix, Az.Pay Dirt. Casa Grande Copper Project On 'Back Shelf'. No. 522, Dec. 1982, P. 7.Pay Dirt. Getty Pays $10 Million For Land Near Casa Grande Orebody. No. 541, July 1984, Pp. 21a-22a.Greeley, 1978, P. 83Worthington, T., 1996, Asarco advances in situ copper project in Arizona; The Northern Miner, March 11 issue, p. C9.