Mine detail: Pilares

Previously called 'Mina Pilares'

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Location: Sonora, Mexico, North America
Lat / long: 30.33629, -109.63397
dep_id: 10048857
mrds_id: MX00027
Commodity type: metallic
Major mineral: Copper
Minor mineral: Gold, Silver
Trace mineral: Lead, Tungsten, Zinc
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Producer
ore: Chalcocite, Chalcopyrite, Galena, Pyrite, Scheelite, Specularite, Sphalerite, Tetrahedrite
gangue: Chlorite, Quartz, Sericite
orebody_fm: COLLAPSE BRECCIA
model: 53: Porphyry Cu
alteration: Silicification, Sericitization, Chloritization, Pyritization
conc_proc: Cu Concentrated Around Periphery Of Breccia Pipe.
Reporter: Staude, John-Mark G. (Page, Norman J.), Leonard, Kenneth R.
hrock_type: Latite,Andesite
Structure: Nw-Se Structural Trend
References:
  • Deposit:: PEREZ SEGURA, EFREN, 1985, CARTA METALOGENETICA DE SONORA 1:250000 UNA INTERPRETACION DE LA METALOGENIA DE SONORA: UNIV. OF SONORA, DEPT. OF GEOL., HERMOSILLO, MEXICO, 66 P.
  • Deposit:: MARAVILLA S., S., 1978, MINAS EN PRODUCCION, MINAS EN PREPARACION Y DEPOSITOS CON RESERVAS MAS O MENOS CONOCIDAS EN EL ESTADO DE SONORA IN NAJERA-GARZA, J., AND ORTLIEB, L., (EDS.), 1978, PRIMERO SYMPOSIO SOBRE LA GEOLOGIA Y POTENCIAL MINERO DEL ESTADO DE SONORA; RESUMENES: HERMOSILLO, MEXICO, U.N.A.M., P. 85-87.
  • Deposit:: MINING MAGAZINE, V. 156, NO. 5, P. 370.
  • Deposit:: THOMS, J.A., 1978, TEXTURAL VARIATIONS AND MINERAL ZONING OF THE PILARES BRECCIA PIPE, NACOZARI MINING DISTRICT, SONORA, MEXICO: ARIZONA GEOLOGICAL SOCIETY DIGEST, V. 11, P. 143.
  • Deposit:: TENNEY, J.B., 1935, THE PILARES MINE, LOS PILARES DE NACOZARI, SONORA, MEXICO IN COPPER RESOURCES OF THE WORLD: INTERNATIONAL GEOLOGICAL CONGRESS, 16TH, WASHINGTON, D.C., P. 419-424.
  • Deposit:: LIVINGSTON, D.C., 1912, MINING METHODS AT NACOZARI, SONORA, MEXICO: AIME TRANS. V. 43, P. 662-669.
  • Deposit:: COX, D.P., AND SINGER, D.A., 1986, MINERAL DEPOSIT MODELS: USGS BULLETIN 1693, 379 P.
  • Production:: PEREZ SEQURA, 1985; MINING MAGAZINE, 1987; TENNEY, 1935.
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