Description
Fernandini Interests
Commodities
PrimaryBismuth
SecondaryZinc, Silver, Lead
Commodity typeM
Deposit
Deposit sizeM
WorkingsSurface/Underground
Ore controlSee Comments
Materials
Ore mineralsArgentite, Chalcopyrite, Galena, Jamesonite, Marcasite, Pyrite, Pyrrhotite, Sphalerite, Stibnite
GangueCalcite, Siderite
Geology
Host rockShale,Sandstone · Pocobamba Formation, Sandstone, Shale
StructureThe Ore Deposit Is On A Small Rise A Few Hundred M Long And Several Tens Of Meters Wide In Sandstone And Shale Of The Pocobamba Formation (Tertiary). The Beds Are On The West Limb Of A Small Anticline Near The Crest, Striking Nw And Dipping Moderately Sw.
Tectonic settingAndean Cordillera
Economic & production
Development statusProducer
Discovery year1905
Identification
Deposit ID10068928
MRDS IDW002203
Alternate namesVeins: La Perla, Azulmina
RegionSA
Data scoreB
Coordinates-10.47293, -76.25805
References
SIMONS, FRANK, 1960, UNPUBLISHED REPORT, P. 1486PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969MILLER, B.L., AND SINGEWALD, J.T., 1919, THE MINERAL DEPOSITS OF SOUTH AMERICA: 598 P., NEW YORK, MCGRAW-HILL, P. 462-463FORT, MICHEL, 1926, LA INDUSTRIA MINERA DEL PERU EN EL ANO DEL CENTENARIO 1921: BOL. MINAS, IND. Y CONSTR., SER. 2, V. 15, P. 70-71.AHLFELD, FRIEDRICH, 1932, DIE SILBERERZLAGERSTATTE COLQUIJIRCA, PERU: ZEITSCHR PRAKT. GEOLOGIE, V. 40, P. 86SINGEWALD, JOSEPH T., JR., AND MILLER, B.L., 1916, THE CERRO DE PASCO DISTRICT, PERU: ENG. MIN. JOUR., V. 101, P. 1015-1018.OCOLA AQUICE, P., 1990, INFORME TECNICO MINA SAN GREGORIO: BANCO MINERO DEL PERU, COD.B6149.1960 COMPILE FRANK SIMONS, UNPUB. REPF. SIMONS, 1960, OCOLA AQUICE (1990)