Description
United Nations & Gov'T Of Argentina
Commodities
PrimaryCopper, Molybdenum, Gold
Commodity typeM
Deposit
Model53: Porphyry Cu
Deposit sizeN
Orebody formIRREGULAR
Ore controlIntrusion-Extrusion Of Tertiary Andesite-Andelatite In Pre-Existing Lines Of Weakness Reactivated During Tertiary As N-S Fractures And A Second Set Of E-W Ones
Materials
Ore mineralsBornite, Chalcopyrite, Cuprite, Delafossite, Hematite, Ilmenite, Magnetite, Malachite, Molybdenite, Pyrrhotite
GangueBiotite, Chlorite, Epidote, Illite, Quartz, Sericite, Serpentine
Geology
Host rockMafic Intrusive Rock,Phyllite,Shale,Siltstone
Associated rockAndesite · Cerro Aspero Andesite;Budinera Breccia;Pre-Budinera Breccia;Pre-Budinera Andesite;;
StructureBlock-Faulted Mountains; Strongly Folded And Faulted Pal Rocks, Unfolded Fractured Mes Volcanic Flows, Major N-S And Transverse Faults In Cen Which Were Channels For Intrusives, Area Consists Of Remnants Of A Topographic Basin Eroded Towards E., Pronounced Hills In Center. Fault Interpreted From Geophysical Data Strikes Nw
Tectonic settingUspallata Massif
Alteration2 Major Periods Of Alteration: 1) Assoc. With Explosive Extrusion In Budimera Volcanic Neck And Subsequent Brecciation; 2) More Restricted And Superimposed On First And Assoc. With Cu-Mo Mineralization.
Economic & production
Development statusProspect
Discovery year1964
Identification
Deposit ID10068833
MRDS IDW002090
RegionSA
Data scoreB
Coordinates-32.41413, -69.09947
References
UNITED NATIONS DEVELOPMENT PROGRAMME, 1968, MINERAL SURVEY IN THE ANDEAN CORDILLERA, ARGENTINA: NEW YORK, UNITED NATIONS, P. 83-89UNITED NATIONS DEVELOPMENT PROGRAMME, 1970, INVESTIGATIONS OF PORPHYRY COPPER TYPE MINERALIZATION IN THE PROVINCES OF MENDOZA, NEUQUEN, AND SAN JUAN, ARGENTINA: NEW YORK, UNITED NATIONS, P. 131-153DIRECCION NACIONAL DE MINERIA Y GEOLOGIA, 1991, REPORT ON THE ARGENTINE MINING SECTOR, ARGENTINE SELECTED MINING PROJECT: BUENOS AIRES.ANGELELLI, VICTORIO, 1984, YACIMIENTOS METALIFEROUS DE LA REPUBLICA ARGENTINA, VOL. I: BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, 391 P.SILLITOE, R.H., 1977, PERMO-CARBONIFEROUS UPPER CRETACEOUS, AND MIOCENE PORPHYRY COPPER-TYPE MINERALIZATION IN THE ARGENTENIAN ANDES: ECONOMIC GEOLOGY, V. 72, NO. 1, P. 99-109.1966 DIREXPL UNITED NATIONS & GOV'T OF ARGENTINASEE U.N., 1968, 1970, REFS