Título: Estratigrafica del Grupo Roraima y interpretación petrologica en la región noreste del Parque Nacional Canaima, Estado Bolívar, Venezuela = Stratigraphy of the Roraima Group and petrologic interpretation in the northeastern region of Canaima National Park, Bolivar State, Venezuela

Autor: Alberdi, M.; Contreras, G.

Fuente: Geology and mineral deposits of the Venezuelan Guayana Shield, Rep. N° B 2124; U.S. Geological Survey Bulletin p.I1-I19

Editor: U.S. Geological Survey

Descriptores: Bolívar Venezuela; Breccia Canaima National Park; Clastic rocksfluvial environment graywacke; Guyana Shield; Lithostratigraphy; Marine environment; Nomenclature; Paleocurrents; Precambrian; Proterozoic ; Roraima Formation; Sedimentary rocks; Sedimentation; South America; Stratigraphic columns; Stratigraphic units; Turbidite; Unconformities; Upper Precambrian; Urico Formation; USGS; Venezuela; Volcaniclastics.

Año: 1995

País de publicación: United States

Tipo de documento: Reporte