Commodities
PrimaryLead, Zinc, Copper, Silver
Commodity typeM
Deposit
Deposit sizeY
Ore controlOre Consists Of Short Rich Lenses Of Galena And Sphalerite With A Little Chalcopyrite And Pyrite, In A Banded Gangue Of Quartz, Rhodochrosite, And Silicified Wall Rock. The Sulfides Form Massive Lenses As Much As 100 Cm Wide And Also Occur In Veinlets And Disseminations. Either Or Both Walls May Be Marked By Post-Mineral Faults. Reserves Of The Kata Mine Were Reported In 1956 To Be 100,000 Tons Containing 6-8% Pb, 5-7% Zn, And 60-90 Grams Of Silver Per Ton.
Materials
Ore mineralsChalcopyrite, Galena, Silver, Sphalerite
GangueQuartz, Rhodochrosite
Geology
Host rockVolcanic Rock (Aphanitic)
StructureThe Mine Is In A Sequence Of Dense Purple Amygdaloidal Porphyritic Andesite Flows That Appear To Be Essentially Flat-Lying. The Flows Are Cut By A Post-Mineral Dike Of Fine-Grained Porphyry As Much As 15 M Wide.
Tectonic settingAndean Cordillera
AlterationWallrock Is Moderately Kaolinized.
Economic & production
Development statusProducer
Discovery year1532
Identification
Deposit ID10068967
MRDS IDW002245
RegionSA
Data scoreB
Coordinates-15.29774, -71.00792
References
SIMONS, FRANK, 1960, UNPUBLISHED REPORT, P. 1129PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 19691960 COMPILE FRANK SIMONS, UNPUB. REP; 2-4) LA MINERIA EN EL PERU, ANUARIO MINERO COMERCIAL 1977METALLOGENIC MAPS OF PERU. 1969, 1972