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Geothermal Energy in the Pacific Region
COLORADO SCHOOL OF MINES GOLDEN
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If geothermal energy at remote naval bases is available for space heating, electricity generation, and in the future for synthesis of high-energy fuel hydrogen, the bases would be largely energy independent and would be alleviated of costly dependence on supply ships especially critical in times of international crises. This report is a first phase study of the Intra- and Circum-Pacific region for delineation of areas that appear to warrant exploration for geothermal energy sources which may be utilized by the United States Navy. Basic tectonic, volcanic, heat flow, and thermal spring data are plotted on regional Pacific guadrant maps at scale of 120,000,000. Areas most attractive for further geothermal investigations are manifest by tensional neotectonism, Pliocene-Quaternary volcanism, supernormal heat flow, and occurrence of high-temperature springs. The thermogeologic regime of basically similar simatic Pacific areas is reviewed for the Galapagos Islands, Hawaiian Islands, and Samoan Islands, and numerous small volcanic islands are selectively pointed out to have possibilities for geothermal development. In the island-arc environment Adak, Fiji Plateau, Guam, and the Philippines are briefly described. A note on possible occurrence of geo-pressured sections in the Circum-Pacific is included.
APPROVED FOR PUBLIC RELEASE