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Otani, Tomoyuki*; Kutsuna, Ryosuke*; Kojima, Satoru*; Ohashi, Kiyokazu*; Kakamu, Kazuhiko
no journal, ,
Development of technique in order to judge the activities of fault using chemical characteristics of active faults is useful for the assessment of faults at geological disposal sites. In this study, element transfer at fault gauge was examined. MnO contents were enriched at fault gauge of the Adera and Neodani faults. Most of Mn-bearing minerals are amorphous, it is suggested that Mn-bearing minerals were precipitated from reduced groundwater at oxidized condition when fault gauge were formed.
Kutsuna, Ryosuke*; Otani, Tomoyuki*; Kojima, Satoru*; Kakamu, Kazuhiko
no journal, ,
Development of technique in order to judge the activities of fault using chemical characteristics of active faults is useful for the assessment of faults at geological disposal sites. In this study, element transfer at fault gauge in Neodani fault was examined. Fault gauge were consist of khaki and dark-gray alteration of layer and brown layer. The origin of dark-gray and brown layers are mudstone, and MnO contents were enriched from the source rock to the fault gauge. It is suggested that Mn-bearing minerals were precipitated from reduced groundwater at oxidized condition when fault gauge were formed.
Kutsuna, Ryosuke*; Otani, Tomoyuki*; Kojima, Satoru*; Enami, Masaki*; Kakamu, Kazuhiko; Wakai, Shoji
no journal, ,
no abstracts in English
Otani, Tomoyuki*; Kutsuna, Ryosuke*; Kojima, Satoru*; Wakai, Shoji; Kakamu, Kazuhiko; Enami, Masaki*
no journal, ,
no abstracts in English