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Geology and resource assessment of the Venezuelan Guayana Shield at 1:500,000 scale The data in this CD-ROM are based on a mineral resource assessment of the Venezuelan Guayana Shield, conducted between 1987 and 1991 by the U.S. Geological Survey and Corporaci�n Venezolana de Guayana, T�cnica Minera, (USGS, 1993). The Venezuelan Shield occupies about 415,000 sq km in the south and east part of Venezuela. The study area is bounded on the north by the R�o Orinoco. It includes all of the Territorio Federal Amazonas, Estado Bol�var, and part of Estado Delta Amacuro. The original resource assessment publication USGS Bulletin 2062 consists of 121 pages of text and figures as well as eight full-color maps:GeographicGeologic and tectonicBouguer gravityTwo mineral-occurrence mapsSide-looking airborne radar... Tags: 1100 - Geology, 1101 - General, 1400 - Resources, 3100 - Vector, 3110 - ESRI, All tags... 3111 - coverage, 3112 - export, VE = Venezuela, geologic maps, geology, geophysics, geoscientificInformation, geospatial datasets, gravity anomaly maps, lithostratigraphy, mine sites, mineral deposit areas, mineral resources, natural resource assessment, side-looking airborne radar, Fewer tags