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Chikaishinishi Basalt Yamauchi et al., 2005

• Volcanic rocks
• Pleistocene (1.33 Ma, K-Ar)
• Correlation: Amegi Basalt, Chikaishinishi Basalt

• Lithofacies: Basalt dike

• Distribution: Chikaishibashi bridge, Okinoshima city, Oki county, Shimane pref.

• Yamauchi et al. (2009) Geology of the Saigo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 118p. (in Japanese with English abstract 3p.)