Mine detail: San Gregorio

Previously called 'Veins: La PerlaAzulmina'

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Location

Lat / long:

-10.47293, -76.25805

Resource(M)

Primary:	Bismuth
Secondary:	Zinc, Silver, Lead
Ore:	Argentite, Chalcopyrite, Galena, Jamesonite, Marcasite, Pyrite, Pyrrhotite, Sphalerite, Stibnite
Gangue:	Calcite, Siderite
Discovery year:	1905

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Producer

Geology

Host rock:	Pocobamba Formation, Sandstone, Shale
Host type:	Shale,Sandstone
Structure:	The 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:	Andean Cordillera

References

MRDS	W002203
DEP	10068928
Reference	{Deposit:: SIMONS, FRANK, 1960, UNPUBLISHED REPORT, P. 1486}{Deposit:: PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969}{Deposit:: MILLER, B.L., AND SINGEWALD, J.T., 1919, THE MINERAL DEPOSITS OF SOUTH AMERICA: 598 P., NEW YORK, MCGRAW-HILL, P. 462-463}{Deposit:: FORT, 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.}{Deposit:: AHLFELD, FRIEDRICH, 1932, DIE SILBERERZLAGERSTATTE COLQUIJIRCA, PERU: ZEITSCHR PRAKT. GEOLOGIE, V. 40, P. 86}{Deposit:: SINGEWALD, JOSEPH T., JR., AND MILLER, B.L., 1916, THE CERRO DE PASCO DISTRICT, PERU: ENG. MIN. JOUR., V. 101, P. 1015-1018.}{Deposit:: OCOLA AQUICE, P., 1990, INFORME TECNICO MINA SAN GREGORIO: BANCO MINERO DEL PERU, COD.B6149.}{Deposit:: 1960 COMPILE FRANK SIMONS, UNPUB. REP}{Production:: F. SIMONS, 1960, OCOLA AQUICE (1990)}
Reporter	Shaffer, Glenn L., Page, Norman J.