Mine detail: Miami East

Previously called 'Miami ConcentratorMiami PitOld DominionMiami PropertyMiami LeachMagma No. 2 TailingsMiami No. 2 TailingsOld MiamiMiami Tailings'

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Location

Lat / long: 33.40698, -110.87569

Resource(M)

Primary: Copper
Secondary: Gold, Molybdenum, Silver
Ore: Chalcopyrite, Molybdenite, Galena, Pyrite, Gold, Silver
Orebody form: ore minerals: Chalcocite class of ore: sulfide, oxide lithostratigraphic unit: gila conglomerate, Type of Orebody #1 : DISSEMINATED Shape of Orebody #1 : MASSIVE Type of Orebody #2 : FISSURE VEIN Primary mode of Origin : HYDROTHERMAL Primary Ore Control : IGNEOUS Secondary Ore Control : FAULTING Degree of Wallrock Alter. : MODERATE Type of Wallrock Alter. #1 : INTERM ARGILLIC Date of Last Modification : 830502, Total Surface Area (HA) : 200Date of Last Modification : 910418, Total Surface Area (HA) : 85 Previous Surface Area (HA) : 85 Reclaimed Surface Area (HA): 15 Date of Last Modification : 920629, Ore Genesis: Hydrothermal Orebody Typer: Disseminated, Vein (Lode) Ore minerals: Charcocite, Bornite, Covellite, Malachite, Azurite, Chrysocolla Class of Ore: Sulfide, Carbonate, Silicate, Native Gangue mineral: Cuprite
Other material: Azurite, Bornite, Chalcocite, Chrysocolla, Copper, Covellite, Cuprite, Malachite, Quartz, Sericite
Discovery year: 1969

Production

Operation type: Underground
Deposit type: Porphyry Copper
Development status: Past Producer

Geology

Host rock:Schultze Granite, Pinal Schists
Host type:Quartz Monzonite,Schist

References

MRDSM003084
MAS40070051
DEP10184420
Reference{Deposit:: Burgin,L B,1976 Time Required In Developing Selected Copper Mines, Bur Of Mines Ic 8702, P60-84(Production Records and Historical Development)}{Deposit:: Wall Street Journal 4/21/69 (Exploration)}{Deposit:: Arizona Republic 12/30/69,P. 25 (Exploration)}{Deposit:: American Metal Market 1/5/70 (Exploration)}{Deposit:: Magma Copper Co. Sec Form 10-K Reports For The End Of Years 1989-1991.}{Deposit:: Walenga, Karen. Project To Recover 125 Million Pounds Of Copper. Paydirt Mag. (Southwestern Ed.). March 1988, Pp. 4a-6a.}{Deposit:: Newmont Mining Corp. Annual Report 1982. P. 3.}{Deposit:: Arizona Paydirt. Miami East Underground Mine Is To Begin Production In July. Jan. 1982, Pp. 7-10.}{Deposit:: Zach, R. Pinto Valley Copper Co., Personal Contact, July 21,1983.}{Deposit:: Shank, R., Senior Engineer, Pinto Valley Copper Co.,Personal Contacts, July 22 And 26, 1983.}{Geology:: Me 5/75 (Ore Body Size,Development, Mining Method, Milling)}{Geology:: Peterson,N P,1962, Geology and Ore Deposits Of The Globe-Miamidistrict, Arizona: USGS Prof Pa 342. (Deposit Maps and Cross-Sections)}{Geology:: Ransome, L,1919, The Copper Deposits Of Ray and Miami, Arizona: USGS Prof Pa 115. (Lands and Deposit Description)}{Geology:: Olmsted and Johnson, 1966, In Titley and Hicks, Univ Of Az Press.}{Orebody:: Peterson, N.P. (1962), Geology and ore deposits of the Globe-Miami District, Arizona, USGS PP 342: 83-88.}{Production:: Baer,R L,1977, Trip Notes From Visit To Miami Mine, Bom-IFOC September, 1977 (Detailed Information About Operation)}{Production:: Fletcher,J B,1971, In-Place Leaching, Miami Mine, Miami,Arizona, Aime Preprint 71-As-40, 13p.(Description Of Operation. Solution Strengths)}{Production:: At The Miami Mine, Miami Copper Company, Gila County, Arizona, Bur Of Mines 8271, 96p. (Leach Operation Description)}{Production:: Mc Waters, Tom. Developing Magm* Tailings Leach Operation Min. Eng. Mag., Sep. 1990, Pp. 1075-1080.}{Reference:: Hardwick,W R,1967, Fracturing A Deposit With Nuclear Explosives and Recovering Copper By The In-Situ Leach Method, Bur Of Mines Ic 6996, P6-8. (Description Of Leach Equipment)}{Reserve-Resource:: Magma Copper Company 1993 Annual Report. P. 8.}{Reserve-Resource:: Magma Copper Co., 1994 10-K, P.19-20.}{Reserve-Resource:: Magma Copper Company Sec Form 10-K Rept, Dec 31, 1993, P. 18 Copper Industry Of Arizona. P. 49.Z}{Reserve-Resource:: Magma Copper Co., 1994 10-K, P.19.}{Reserve-Resource:: Magma Copper Co. Sec Form 10-K Report, Dec 31, 1992, P. 21.}{Workings:: Paydirt 4/70 (Development)}{Workings:: Trip Notes From Arizona Dmr 10/73 (Development)}{Workings:: Skillings 7/75 (Development)}{Workings:: Mining Magazine 9/75 (Development, Production Rate)}{Workings:: Cities Service Annual Report 1974 (Production Plans)}{Workings:: Skillings 1/75 (Tailings Fill)}
ReporterDolzani, Roger L., Sachiko Tanikawa, Anderson, Claire, Intermountain Field Operations Center (IFOC), Admr, Hite, Alan G.