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Shimakumayama Tephra

• Tephra
• Pleistocene (2.4 Ma, FT)

• Host: Shimakumayama Member, Lower Most part of Osaka Group

• Distribution: Mount Shimakumayama, Toyonaka city, Osaka pref.

• Miyachi et al. (2001) Geology of the Osaka-Tohokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 130p. (in Japanese with English abstract 6p.)
• Huzita and Kasama (1982) Geology of the Osaka-Seihokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 112p. (in Japanese with English abstract 8p.)