Título: Geology of the Lo Increible mining district and U-Pb age of the early Proterozoic Yuruari Formation of the Pastora Supergroup, Guayana Shield, Venezuela

Autor: Day, W. C.; Tosdal, R. M.; Acosta, E. L.; Aruspon, J. C.; Carvajal, L.; Cedeno, E.; Lowry, G.; Martinez, L. F. Noriega, J. A.; Nunez, F. J.; Rojas, J; Prieto, F.

Fuente: Geology and mineral deposits of the Venezuelan Guayana Shield, Rep no.B 2124 ; U.S. Geological Survey Bulletin p. E1-E13

Editor: U.S. Geological Survey

Descriptores: Absolute age; Caballape Formation; Calc-alkalic composition; Dates; El Callao Formation; Faults gabbros; Geochemistry; Gold ores; Greenstone belts; Guyana Shield; Igneous rocks; Lava; Lo Increible mining district; Lower Proterozoic; Major elements; Metal ores; Metamorphic rocks; Metavolcanic rocks; Mineral deposits, Genesis; Mylonites; Nesosilicates; Orthosilicates; Pastora Supergroup; Plutonic rocks; Precambrian; Proterozoic; Quartz veins; Shear zones; Silicates; South America; Structural controls; Trace elements; U/Pb; Upper Precambrian; USGS; Veins; Venezuela; Yuruari Formation; Zircon

Año: 1995

País de publicación: United States

Tipo de documento: Reporte