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415,000 square kilometers of the Venezuelan Guayana Shield are covered by this digital resource assessment. The data was created by the U.S. Geological Survey and Corporacion Venezolana de Guayana between 1987 and 1991, converting original paper maps for digital analysis and publication. It includes layers for geography, geology, tectonics, and mineral occurrences.
Data is derived from a CD-ROM publication; users may need GIS software like ARC/INFO to utilize the original Export files. The side-looking airborne radar image and Bouguer gravity map from the original bulletin are not included.