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Kumonotaira Lava Nakano, 1989

• Type locality: 2,100 m above sea level, A creek - C creek, Arimine, Toyama city, Toyama prefecture
• Volcanic rocks
• early - middle Pleistocene

• Lithofacies: Andesite lava (more than 2 flow units)

• Source: southeast of Mount Jiidake or uppermost reaches of Iwakokekotani valley
• Volume: ca. 2 km³
• Thickness: 250 m
• Lower limit: Unconformity (Funatsu Granitic Rocks, Jinzu Group, Iwakokekotani Lavas, Kumonotaira Gravel Bed)

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

• Distribution: Kumonotaira - Tateishi, Arimine, Toyama city, Toyama pref.

• Harayama et al. (1991) Geology of the Yarigatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 190p. (in Japanese with English abstract 8p.)