Study on method of fault zone survey by use of in-situ fault gas (H, CO, CH) measurement (Measurement data set)

Kurosawa, Hideki; Niwa, Masakazu   ; Ishimaru, Tsuneari ; Shimada, Koji   

Research on the influence of fault activity on deep geological environments contributes to the reliability of geological disposal systems for high level radioactive wastes. Measurement of deep-seated gas discharged along faults is proposed as an effective method to understand the extent of influence of fault activity. In this study, in-situ and short-lasting measurement of hydrogen, carbon dioxide and methane gases by use of a portable monitor is tested for prehension of spatial distribution of active faults. The gas measurement data are compiled and recorded on CD-ROM.