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Sasao, Eiji
ESI-News, 32(4), p.155 - 162, 2014/08
This report compiled the information on distribution and mode of occurrence of uranium deposit was compiled from the published data. Distribution of uranium deposit suggests that geological environments suitable for geological isolation are widely distributed in the Japanese Islands, despite their location in a geologically active area. The mode of occurrence of the uranium deposits indicates that formation of uranium-bearing mineral as well as sorption is expected in both sedimentary and crystalline rocks. The functioning of the natural barrier would be expected in various geological environments in the Japanese Islands, because mineralization and sorption are regarded as a barrier function to retard the migration of radionuclides in HLW, and because of the uranium deposits in the various rock types.
Minami, Kentaro
ESI-News, 10(4), p.135 - 139, 1992/00
no abstracts in English
Matsuda, Koji
ESI-News, 7(4), p.7 - 11, 1989/00
no abstracts in English