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Geothermal energy resources of wadi Al-Lith, Saudi Arabia

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Title Geothermal energy resources of wadi Al-Lith, Saudi Arabia
 
Creator LASHIN, A
CHANDRASEKHARAM, D
AL ARIFI, N
AL BASSAM, A
VARUN, C
 
Subject Al-Lith
Harrats
Saudi Arabia
EGS
Hydrothermal system
Granites
RED-SEA
REFRACTION PROFILE
CRUSTAL STRUCTURE
SHIELD
GEOCHEMISTRY
COMPLEXES
APATITES
SULFATE
SULFUR
ROCKS
 
Description The entire western Arabian shield is the domain of both hydrothermal and enhanced geothermal systems associated with volcanic centres (Harrats) and high heat generating granites. The most prominent sites of hydrothermal systems are located around Al-Lith and Jizan. The hydrothermal system in Al Lith is controlled by high heat generating (similar to 11 mu W/m(3)) post orogenic granites. The high heat flow value of >80 mW/m(2) across Al-Lith coast is due to such granite intrusives, presence of dike swarms that intrude into the granites as well as position of Moho at shallow level. Although the thermal waters are chloride rich, Red Sea involvement is not observed. Long residence time and water rock interaction with granites are the main processes responsible for chloride enrichment in the thermal waters. Oxygen isotope shift indicates presence of high temperature geothermal system in the area. The tritium values indicate that the circulating waters are >75 years old. (C) 2014 Elsevier Ltd. All rights reserved.
 
Publisher PERGAMON-ELSEVIER SCIENCE LTD
 
Date 2014-12-28T17:43:28Z
2014-12-28T17:43:28Z
2014
 
Type Article
 
Identifier JOURNAL OF AFRICAN EARTH SCIENCES, 97357-367
1464-343X
1879-1956
http://dx.doi.org/10.1016/j.jafrearsci.2014.05.016
http://dspace.library.iitb.ac.in/jspui/handle/100/17019
 
Language English