Mine detail: Diablo and Pirquitas Cu Mines

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Location

Lat / long: -32.57247, -70.85619

Resource(M)

Primary: Copper
Secondary: Silver, Zinc
Tertiary: Gold
Ore: Bornite, Chalcanthite, Chalcocite, Chalcopyrite, Chrysocolla, Covellite, Sphalerite
Gangue: Calcite, Chlorite, Epidote, Magnetite, Pyrite, Specularite
Orebody form: TABULAR MASSES PARALLEL TO BEDDING PLANES
Other material: Pyrrhotite

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host type:Volcanic Breccia (Agglomerate)
Associated rock:Diorite Batholith, Cret ( Ref. 2 ), Tert ( Ref. 3 );Lo Valle Formation, Volcanic Tuff & Tuffaceous Breccia;Veta Negra Formation, Andesite Porphyry Lava Flows
Associated type:Diorite,Volcanic Rock (Aphanitic)
Structure:North-Trending Broad Open Folds Faults Of Varying Lengths And Displacements, And Plutonic Masses, E-Dipping Monocline Cut By Diorite Batholith. Zone Of Block Faulting East Of Diorite Caused By 2 Sets Of N & N 75 Deg. W. Striking Faults. Displacements Range From Few Cm To 30 M. Two Sets Of Porphyritic Andesitic Dikes Cut Deposit. Strike N. 60 Deg. W., Dip N.
Tectonic:Andean Cordillera And Batholith
Alteration processes:Not Prominent But Some Silicification And Chloritization

References

MRDSW001973
DEP10068732
Reference{Deposit:: RUIZ, F., CARLOS, 1965, GEOLOGICA Y YACIMIENTOS METALIFEROS DE CHILE: INST. INV. GEOL. CHILE, P. 198 (SPANISH)}{Deposit:: CARTER, W. D., 1961, YACIMIENTOS DE COBRE TIPO MANTO: CHILE INST. INV. GEOL. BOL. NO. 10, 30 P. (SPANISH)}{Deposit:: CARTER, W. D., 1960, ORIGEN OF MANTO-TYPE COPPER DEPOSITS OF THE CABILDO MINING DISTRICT CENTRAL CHILE: INT. GEOL. CONG., 21ST, NORDEN, PT. 16, P. 17-28}{Deposit:: RUIZ, C. AND PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.}{Deposit:: SERPLAC, 1981, ESTUDIO DEL SECTOR MINERO DE LA V REGION: SANTIAGO (6 VOL.)}{Deposit:: CARTER, WILLIAM, AND ALISTE, NELSON, 1962, QUADRANGULO NIHUE, PROV. ACONCAGUA: CHILE INST. INV. GEOL. IN PRESS (SPANISH).}{Deposit:: 1965 GEOLMAP WILLIAM D. CARTE}{Other Database:: CIMRI}{Production:: RUIZ, 1965, REF.}
ReporterDavidson, Claire B., Williams, William C.