HR: 1330h
AN: V13B-10    [Abstracts]
TI: Self Potential and Gravity Study for Geothermal Exploration of Nevis
AU: * Vichabian, Y
EM: SP_International_Inc@yahoo.com
AF: SP International, Inc., 105 West Ave., Seekonk, MA 02771 United States
AU: Morgan, F D
EM: morgan@erl.mit.edu
AF: Earth Resources Laboratory Department of Earth, Atmospheric, and Planetary Sciences Massachusetts Institute of Technology, 42 Carleton St., E34-412, Cambridge, MA 02142 United States
AU: Minsley, B
EM: minsley@mit.edu
AF: Earth Resources Laboratory Department of Earth, Atmospheric, and Planetary Sciences Massachusetts Institute of Technology, 42 Carleton St., E34-412, Cambridge, MA 02142 United States
AU: Coles, D
EM: dcoles@erl.mit.edu
AF: Earth Resources Laboratory Department of Earth, Atmospheric, and Planetary Sciences Massachusetts Institute of Technology, 42 Carleton St., E34-412, Cambridge, MA 02142 United States
AU: Krasovec, M
EM: krasovec@erl.mit.edu
AF: Earth Resources Laboratory Department of Earth, Atmospheric, and Planetary Sciences Massachusetts Institute of Technology, 42 Carleton St., E34-412, Cambridge, MA 02142 United States
AB: A geophysical team from the Massachusetts Institute of Technology and SP International, Inc. performed self potential and gravity surveys on the island of Nevis for geothermal exploration under contract from the Organization of American States, Geo-Caraibes Project. The preliminary geothermal model for the Charlestown area of interest based on SP current sources and gravity, places a large high gravity body under most of the area with geothermal fluids flowing on the edge of the body. We believe the Charlestown area is underlain by a heat source which may be capped by an impervious layer, therefore permeability for geothermal fluid upflow is mainly limited to faults and fractures and other high permeability conduits. The most intense current sources are located on or near the edge of the high gravity body.
DE: 1219 Local gravity anomalies and crustal structure
DE: 8010 Fractures and faults
DE: 8135 Hydrothermal systems (8424)
DE: 8424 Hydrothermal systems (8135)
SC: Volcanology, Geochemistry, Petrology [V]
MN: 2005 Joint Assembly