Mine detail: San Francisco Mine

Previously called ''

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Location

Lat / long:

-16.47659, -67.89007

Resource(M)

Primary:	Tungsten, Tin
Tertiary:	Copper, Arsenic, Lead, Zinc
Ore:	Cassiterite, Chalcopyrite, Galena, Scheelite, Sphalerite, Wolframite
Gangue:	Chlorite, Fluorite, Muscovite, Pyrite, Quartz, Tourmaline
Orebody form:	PINCH AND SWELL

Production

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

Geology

Host rock:	Taquesi-Mururata Batholith
Host type:	Diorite,Granite
Alteration processes:	Narrow, Irregular Muscovite-Chlorite Selvages Around Veins. Chlorite (After Biotite), Muscovite, Tourmaline Alteration In Host Rock.

References

MRDS	W031466
DEP	10080345
Reference	{Deposit:: AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: BOLIVIA DEPARTAMENTO NACIONAL DE GEOLOGIA BOL. 5, P. 78.}{Deposit:: GRANT, J.N., ET. AL., 1979, K-AR AGES OF IGNEOUS ROCKS AND MINERALIZATION IN PART OF THE BOLIVIAN TIN BELT: ECON. GEOL., V. 74, P. 838-851.}{Deposit:: WINKLEMANN, LOTHAR, 1983, GEOLOGIE UND LAGERSTATTEN IM BEREICH PALCA (MURUATA) UND DIE GEOCHEMIE DER SILURSEDIMENTE IN DER CORDILLERA LA PAZ/BOLIVIEN: BERLINER GEOWISSENSCHAFTLICHE ABHANDLUNGEN, REIHE A, V. 51, 110 P.}{Deposit:: GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA}{Other Database:: CIMRI}
Reporter	Ericksen, George E. (Rowe, William D.), Long, Keith R.