Mine detail: Los Negros Mine

Previously called 'Vein: San Carlos, Los NegrosManto: Argolla'

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Location

Lat / long:

-6.75753, -78.60979

Resource(M)

Primary:	Silver
Secondary:	Lead, Copper, Zinc
Ore:	Chalcopyrite, Pyrite, Sphalerite, Tetrahedrite
Gangue:	Barite, Calcite, Quartz, Rhodonite
Orebody form:	TABULAR
Discovery year:	1898

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1898

Geology

Host type:	Shale,Siltstone,Sandstone,Limestone
Associated type:	Diorite
Alteration processes:	Silicification, Kaolinization, Sericitization

References

MRDS	W031437
DEP	10107373
Reference	{Deposit:: ERICKSEN, G. E., 1954, GEOLOGY OF THE HUALGAYOC MINING DISTRICT, DEPARTAMENTO DE CAJAMARCA, PERU: NEW YORK, COLUMBIA UNIVERSITY PHD THESIS, 239 P.}{Deposit:: FLORES, P.G., VARGAS, V.V., AND MERE, J.Q., 1986, INFORME DERECHO MINERO LOS NEGROS: INGEMMET B3693.}{Deposit:: MEDINA L., J., 1975, MINA LOS NEGROS: INGEMMET B4319.}{Production:: ERICKSEN (1954).}
Reporter	Ericksen, George E., Page, Norman J.