Sosa Mendez-Union Mine

VE / Bolivar

•7.30453, -61.79438View on Map Open in Google Maps

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About this location

Sosa Mendez-Union Mine is a historic mining site in Bolivar, documented by the USGS Mineral Resources Data System. The mineralization is hosted in El Callao Formation (Meta-Basalt, Andesite), within the Guayana Shield, Greenstone Belt setting. Reported specimens include Albite, Biotite, Chlorite, Gold, Pyrite, Quartz; logged ore minerals are Gold, Scheelite; gangue is recorded as Albite, Biotite, Chlorite, Pyrite, Quartz, Tourmaline. Production began in 1933.

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Found Here

AlbiteBiotiteChloriteGoldPyriteQuartzScheeliteTourmalineWolframite

Geology and deposit

Host rock: El Callao Formation — Meta-Basalt, Andesite
Associated rock: Supamo Formation — Granite
Orebody form: VEIN
Tectonic setting: Guayana Shield, Greenstone Belt
Deposit model: 273: Low-sulfide Au-quartz vein

Ore minerals

GoldScheelite

Gangue minerals

AlbiteBiotiteChloritePyriteQuartzTourmaline

Ore control

N70e Shear Zone

Alteration

Carbonization, Chloritization, Epidotization

Mining history

Status: Past Producer
First production: 1933

Records and references

Cited references

LOCHER, EUGENIO, 1974, ORO EN VENEZUELA, IN MEMORIA DE LA NOVENA CONFERENCIA INTER-GUAYANAS, CIUDAD GUAYANA, VENEZUELA, MAYO 7-14, 1972: CARACAS, EDITORAL SUCRE, PUBLICACION ESPECIAL NO. 6, P. 559-587. LOPEZ, V.M., 1981, EL ORO EN VENEZUELA: MINISTERIO DE ENERGIA Y MINAS, 116 P. 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. MENENDEZ, ALFREDO, BENAIM, N., YANEZ, GALO, AND BAPTISTA, G., JOSE, 19??, GUIA LA EXCURSION GEOLOGIA GUASIPATI EL CALLAO-CANAIMA IN IX CONFERENCIA GEOLOGIA INTER-GUAYANAS EXCURSIONES GEOLOGICAS, P. 49-62. CIMRILOCHER, 1974, P. 577, 567.

Data: USGS Mineral Resources Data System, record 10060463 — view the source record

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Location on Map

Coordinates: 7.30453, -61.79438

Nearby rockhounding locations

Mocupia Gorge — GoldBolivar · 0.4 mi
San Felipe — Gold, PyriteBolivar · 0.5 mi
Caratal — Gold, PyriteBolivar · 2.5 mi
Cenicero — Gold, PyriteBolivar · 2.5 mi
Chile — Ankerite, ChloriteBolivar · 2.7 mi
Remington — Chlorite, GoldBolivar · 3.1 mi

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