The Geothermal Area Of El Pilar-Casanay, State Of Sucre, Venezuela, Geochemical Exploration And Model

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Journal Article: The Geothermal Area Of El Pilar-Casanay, State Of Sucre, Venezuela, Geochemical Exploration And Model

Abstract
A geochemical survey was carried out in the El Pilar-Casanay area, State of Sucre, Venezuela, in order to ascertain its geothermoelectric potential. The area is characterized by many natural manifestations with temperatures in the range 80-100°C. The area investigated seems capable of producing high-enthalpy geothermal fluids; a deep reservoir is inferred, composed of a medium salinity (<5000 ppm) and neutral brine, with computed temperatures between 250 and 300°C, and with a high CO2 partial pressure. A second shallower reservoir is assumed to exist, with a temperature of the order of 200-220°C. The deep reservoir is shown to be liquid-dominated, while water and steam occupy the shallow one. The piezometric level (elevation 150 m) regulates the areal distribution of water springs and fumaroles. A partial self-sealing (mineral alteration) along outflows allows accumulation of hot fluids, while recharge is from local meteoric water.

Authors 
Franco D'Amore, Giovanni Gianelli and Egizio Corazza








Published Journal 
Geothermics, 1994





DOI 
Not Provided
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Citation

Franco D'Amore,Giovanni Gianelli,Egizio Corazza. 1994. The Geothermal Area Of El Pilar-Casanay, State Of Sucre, Venezuela, Geochemical Exploration And Model. Geothermics. (!) .