Description: Geophysical data from surface measurements and downhole pressure/temperature data in northern Kyushu centered around Mount Waita are examined. The study area includes the geothermal fields supplying steam for the Hatchobaru and Ohtake power stations, but also extends a considerable distance to the northwest. Evidence from drilling logs, magnetotelluric surveys, lost-circulation horizons, downhole temperature surveys, and thermal and chemical properties of surface hot-spring discharge suggests the presence of a large geothermal reservoir north of the towns of Takenoyu and Hagenoyu.
Date: January 22, 1985
Creator: Pritchett, J.W.; Garg, S.K.; Farrell, W.E.; Ishido, T.; Yoshimurs, T.; Murakami, K. et al.
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Partner: UNT Libraries Government Documents Department