- Correlation of micro fractures with P-wave velocities and strain in cored rock samples from the Yutsubo geothermal well deformed under confinig pressures
 (5,551KB)
- Ziqiu XUE, Osamu NISHIZAWA, Yasuto KUWAHARA and Shigeyuki SUZUKI (599-617)
- Geochemical study on the origin of natural gas hydrocarbons accumulated in volcanic reservoir
(2,539KB)
- Susumu SAKATA, Makoto TAKAHASHI, Shun-ichiro IGARI, Yukihiro MATSUHISA and Kazuo HOSHINO (619-642)
- Abstract for Geological Survey Seminar, No. 242
Methane hydrate, – A natural gas resource in future –
(453KB)
- (643-646)
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