Mine detail: El Toro

Previously called 'Veins: LimenaAlianzaSan JoseAmeliaEtelvinaNegraAlta Gracia'

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Location

Lat / long:

-7.81054, -78.04477

Resource(M)

Primary:	Gold, Silver, Copper
Ore:	Enargite, Tetrahedrite
Gangue:	Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1845

Geology

Host rock:	Chimu Formation;
Host type:	Sandstone,Andesite
Structure:	The Country Rock Is Cretaceous Sandstone (Chimu Formation?) And Black Shale That Strike Nw And Dip Gently Sw. In The Eastern Part Of Cerro El Toro These Rocks Are Intruded By Andesite. In The Sandstone They Strike East, Dip 60 Deg-90 Deg S., Are 30-150 Cm Wide, And Are Oxidized To Considerable Depth. They Contain Auriferous Pyrite At Depth. Veins In Andesite Have Apparently Random Attitudes And Are Oxidized Only To Shallow Depths. They Contain Pyrite, Tetrahedrite, And Enargite.
Tectonic:	Andean Cordillera

References

MRDS	W002169
DEP	10068897
Reference	{Deposit:: SIMONS, FRANK, 1960, UNPUBLISHED REPORT, P. 447}{Deposit:: PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969}{Deposit:: MALAGA, SANTOLALLA, FERMIN, 1907, MONOGRAFIA MINERA DE LA PROVINCIA DE HUAMACHUCO: CUERPO DE ING. DE MINAS DEL PERU BOL., NO. 51, P. 32-40}{Deposit:: FLORES TORRES, R.; 1990. INFORME TECHNICO MINA EL TORO: INFORME DEL BANCO MINERO DEL PERU, B7390.}{Deposit:: 1960 COMPILE FRANK SIMONS, UNPUB. REP}{Other Database:: CIMRI}{Production:: F. SIMONS, 1960, UNPUB. REP. FLORES TORRES (1990).}{Reserve-Resource:: METALLOGENIC MAPS OF PERU. 1969, 1972}
Reporter	Shaffer, Glenn L., Page, Norman J.