Estimate of the stress state in an earthquake source region in a South African deep gold mine by Diametrical Core Deformation Analysis (DCDA)

Shuhei Abe, Tohoku University, Sendai, Japan, Yasuo Yabe, Tohoku University, Graduate School of Science, Sendai, Japan, Takatoshi Ito, Tohoku University, Institute of Fluid Science, Sendai, Japan, Gerhard Hofmann, Anglogold Ashanti, Rock Engineering, Western Levels, South Africa, Hiroshi Ogasawara, Ritsumeikan University, Kusatsu, Japan and Masao Nakatani, University of Tokyo, Bunkyo-ku, Japan
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