Description
Mario Santillan
Commodities
PrimarySilver, Gold
SecondaryCopper
Commodity typeM
Materials
Ore mineralsAcanthite, Bornite, Boulangerite, Calaverite, Chalcopyrite, Coloradoite, Electrum, Enargite, Famatinite, Galena, Gold, Hessite, Marcasite, Miargyrite, Polybasite, Pyrargyrite, Silver, Sphalerite, Stephanite, Stibnite
GangueBarite, Calcite, Gypsum, Hematite, Kaolinite, Quartz, Rhodochrosite, Rhodonite, Sericite
Other materialsPyrite
Geology
Host rockRhyolite · Manto Tuff;Santa Rosa Formation
Associated rockVolcanic Rock (Aphanitic),Dacite,Plutonic Rock · Sarpane Complex
AlterationPotassic (Adularia, Sericite).
Economic & production
Development statusProducer
First production1779
Identification
Deposit ID10079731
MRDS IDW029833
Alternate namesOrcopampa, Alberto Tunnel, Veins: Santiago North, South Rosa Tudela,, Manto Vein, Ramal 1,2,3,4, Ramal Miriam, Laura, Rayo, Santiago Mayor, Santiago, Santa Rosa
RegionSA
Data scoreB
Coordinates-15.09775, -72.33295
References
INTERNAT. DIR. OF MINING AND MINERAL PROCES. OPERAT. 1977BELLIDO BRAVO,E. AND DE MONTREUIL D., L., 1972, ASPECTOS GENERALES DE LA METALOGENIA DEL PERU, P.78, ED. MINISTERIO DE ENERGIA Y MINAS, SERVICIO DE GEOLOGIA Y MINERIAGIBSON, P.C., NOBLE, D.C., AND L.T. LARSON, 1990, MULTISTAGE EVOLUTION OF THE CALERA EPITHERMAL AG-AU VEIN SYSTEM, ORCOPAMPA DISTRICT, SOUTHERN PERU: FIRST RESULTS: ECONOMIC GEOLOGY, V. 85, P. 1504-1519.PETERSEN, E.U., PETERSEN, U., AND HACKBARTH, C.J., 1990, ORE ZONING AND TETRAHEDRITE COMPOSITIONAL VARIATION AT ORCOPAMPA, PERU: ECONOMIC GEOLOGY, V. 85, P. 1491-1503.U.S. EMBASSY LIMA, 1993, 1992 INSUSTRIAL OUTLOOK REPORT ON MINERALS IN PERU: U.S. DEPARTMENT OF STATE, 7/93.NOBLE, D.C. AND VIDAL, C.E., 1994, GOLD IN PERU: SEG NEWSLETTER, APRIL 1994, NO. 17, P. 1, 6-13.GIBSON, P.G., NOBLE, D.C., BENAVIDES G., R.B., AND MAYTA, T., 1993, DISCOVERY, DEVELOPMENT, AND PRODUCTION OF A BLIND AG-AU BONANZA IN THE CALERA VEIN, ORCOPAMPA DISTRICT, PERU: INTERNATIONAL GEOLOGIC REVIEW V. 35, P. 780-796.GIBSON AND OTHERS (1990); U.S. EMBASSY LIMA (1993); GIBSON AND OTHERS (1993)GIBSON AND OTHERS (1990), GIBSON AND OTHERS (1993).