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008			230927b |||||||| |||| 00| 0 eng d
041			_aeng
043			_cVEN
082			_221a ed. _a558.7 _bU8
100			_eautor
110			_930087 _aU.S. Geological Survey and Corporación Venezolana de Guayana, Técnica Minera, C.A.
245			_aGeology and mineral resource assessmente of the Venezuelan Guayana Shield _b/ _cU.S. Geological Survey and Corporación Venezolana de Guayana, Técnica Minera, C.A.
260			_aVenezuela : _bU.S. Department of the interior, _c1993
300			_a121 p. : _bplates, figures, tables, maps ; _c27 cm
490			_aU.S. Geological survey bulletin _v2062
500			_aIncludes bibliogrphical references, appendix.
504			_aReferences cited: p. 92-98
505			_aIntroduction -- Geology of the venezuelan guayana shield -- Geophysics of the venezuelan guayana shield -- Mines, prospects, and ocureences of the venezuelan guayana shield -- Mineral resource assessment of the venezuelan guayana shield -- Deposits in deepl y eroded terranes -- Deposits formed in supracrustal rocks and epizonal plutons -- Deposits formed by surficial processes.
520			_aThe importance of this volume on the mineral resources of Venezuela lies not only in its delineation of the vast mineral richness of the Guayana Shield but also in its illustration of the productive cooperation between the Corporación Venezolana de Guayana and the U.S. Geological Survey. Geologic research described herein regarding the wise use of mineral resources is a model of cooperative scientific effort that can be used to assist the making of decisions at the highest levels of the government. This information can provide the basis for long-range mineral production and land use policy, for planning strategies for mineral exploration and development, for the direction of future research, and for expanding the inventory of mineral deposits of Venezuela. Special features of this cooperative project included the creation of a mineral reources data system file and the use of mineral-deposit models to estimate the mineral resources of mineralized areas, both known and suspected, in the Guayana Shield and adjacent areas.
650		0	_930088 _aGeology -- Venezuela
650		0	_930089 _aMinerals -- Venezuela
650		0	_930090 _aGuayana shield
710			_930091 _aUNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1993
942			_cLIBRO _e2023-09-27 _zJATL
999			_c32746 _d32746