Mine detail: Mina Colombia

Previously called 'Minervan IColombia VeinAmerica Vein'

Location:	Bolivar, Venezuela, South America
Lat / long:	7.32981, -61.79299
dep_id:	10060286
mrds_id:	TC10299
Commodity type:	metallic
Major mineral:	Gold
Trace mineral:	Arsenic
Operation type:	Unknown
Production size:	Production occurred
Development status:	Producer
ore:	Chalcopyrite, Gold, Pyrite
gangue:	Kaolin, Quartz, Tourmaline
work_type:	Underground
model:	273: Low-sulfide Au-quartz vein
alteration:	Albitization, Kaolinization, Silicification. Two Alteration Zones. Inner, Next To Quartz Vein Is About 20 Cm Of Albite-Dolomite-Pyrite. Outer Zone Is About 2 M Of Dolomite And Pyrite.
ore_ctrl:	N70e Shear Zone
Reporter:	Page, Norman J., Carbonaro, Marguerite M. (Orris, Greta J.)
hrock_unit:	El Callao Formation
hrock_type:	Metavolcanic Rock
arock_unit:	Supamo Complex
arock_type:	Granite
tectonic:	Greenstone Belt
References:	Deposit:: MINING MAGAZINE, JAN. 1989, P. 46 Deposit:: RODRIGUEZ M., S.E., 1986, RECURSOS MINERALES DE VENEZUELA: BOLETIN DE GEOLOGIA, REPUBLICA DE VENEZUELA, MINISTERIO DE ENERGIA Y MINAS, DIRECCION GENERAL SECTORIAL DE MINAS Y GEOLOGIA, V. 15, NO. 27, 228 P. Deposit:: VASQUEZ, J.C., 1989, EL MINISTERIO DE ENERGIA Y MINAS Y LA EXPLORACION AURIFERA, IN PRIMER SIMPOSIO INTERNACIONAL DEL ORO EN VENEZUELA: CARACAS, GRAFICAS LOS PALOS GRANDES C.A., P. 300-324. Deposit:: COX, DENNIS P., NOV. 1987, FIELD NOTES. Deposit:: HERRERO NOGUEROL, JOSE, 1980, LAS INDUSTRIAS DEL CARBON, ALUMINO Y ORO EN VENEZUELA: BOLETIN DE LA ESCUELA DE GEOLOGIA Y MINAS DE LA UNIVERSIDAD DE ORIENTE (GEOMINAS) 16, P. 71-96. Deposit:: MARSH, SHERMAN, PIERCE, H.A., SANCHEZ, HENRY, AND PAGE, N.J, (1992), THE GEOCHEMISTRY OF SIX GOLD-BEARING QUARTZ-CARBONATE TOURMALINE AREAS, ESTADO BOLIVAR, VENEZUELA: U.S. GEOLOGICAL SURVEY BULLETIN [IN PRESS}. Other Database:: CIMRI Production:: RODRIGUEZ, M., 1986. MENDOZA, UNPUBLISHED NOTES TO SPEECH, DESARROLLO AURIFERO, 1988.