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Kamaishi Lava (Yagi and Yagi, 1958) Nagamori et al., 2003

• Type locality: Cape Ryugu - Cape Biwa, Shinano city, Kamiminochi county, Nagano prefecture
• Volcanic rocks
• middle Pleistocene (0.7 Ma, K-Ar)

• Lithofacies: Augite hypersthene andesite lava (A flow unit)

• Thickness: ca. 100 m

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Cape Ryugu - Cape Biwa - Mount Kamaishi, Shinano city, Kamiminochi county, Nagano pref.

• Nagamori et al. (2003) Geology of the Togakushi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 109p. (in Japanese with English abstract 3p.)
• Yanagisawa et al. (2000) Geology of the Iiyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 144p. (in Japanese with English abstract 6p.)
• Akahane et al. (1992) Geology of the Nakano District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 106p. (in Japanese with English abstract 4p.)