Mine detail: Pima Open Pit Mine

Previously called ''

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Location

Lat / long:

31.98651, -111.07319

Resource(M)

Primary:	Copper
Secondary:	Silver, Molybdenum
Tertiary:	Zinc, Lead, Gold
Ore:	Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Cuprite, Galena, Hematite, Magnetite, Malachite, Molybdenite, Sphalerite, Tennantite, Tenorite
Gangue:	Serpentine
Orebody form:	TABULAR
Discovery year:	1950

Production

Operation type:	Unknown
Production size:	Large
Development status:	Producer
First production started:	1952

Geology

Host rock:	Colina Limestone, Epitaph Formation, Scherer Formation, Concha Li Mestone, All Of Naco Group;Whitcomb Quartzite, Angelica Arkose;Rodolfo Formation
Host type:	Arkose,Limestone
Associated rock:	Ruby Star Granodiorite;
Associated type:	Rhyolite
Structure:	Ew Post Mineralization Faulting, Jointing, San Xavier Thrust
Tectonic:	Basin And Range
Alteration processes:	Propylitic, Quartz-Sericite, Potassic, Skarn

References

MRDS	M050388
DEP	10039593
Reference	{Deposit:: HIMES, 1972, AIME ANN MTG REPORT NO 72-I-57.}{Deposit:: COOPER, 1960, USGS BULL 1112.}{Deposit:: CREASEY & KISTLER, 1962, USGS PP 450-D.}{Deposit:: HUFF, 1970, USGS BULL 1312-C.}{Deposit:: LACY & TITLEY, 1959, SO. AZ. GUIDEBOOK II.}{Deposit:: THURMOND,R., AND OTHERS, 1954, PIMA - A THREE PART STORY. GOLOGY, OPEN PIT, MILLING: MINING ENGINEERING, V. 10.}{Deposit:: USBM FILE DATA}{Deposit:: KEITH, 1974, ABM BULL 189, P. 137}{Deposit:: MAUGER, 1966, PHD THESIS, UNIV OF AZ}{Deposit:: LANGLOIS, 1978, AZ GEOL SOC DIGEST VII, P. 103-113}{Deposit:: 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.}{Other Database:: CIMRI}{Reserve-Resource:: MINING ENGINEERING, 1967; SAWYER AND OTHERS, 1992.}
Reporter	Peterson, Jocelyn A., Orris, Greta J.