*En-chao YEH¹、Wei-cheng LI¹、Tung-chin CHIANG¹、Feng-yi WU¹、Chuan-li CHENG¹、Weiren LIN²、Tai-tien WANG³、Chi-wen YU⁴、Chung-hui CHIAO⁵、Ming-wei YANG⁶ (1.Department of Earth Sciences, National Taiwan Normal University, Taipei, Taiwan, ROC、2.Kochi Institute for Core Sample Research, Japan Agency Marine-Earth Science and Technology, Japan、3.Institute of Mineral Resources Engineering, National Taipei University of Technology, Taipei, Taiwan、4.Sinotech Engineering Consultants, Inc., Taipei 114, Taiwan, ROC、5.Taiwan Power Company, Taipei 100, Taiwan, ROC、6.Taiwan Power Research Institute, Taipei 238, Taiwan, ROC)