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Sugonokkoshi Andesite Harayama et al., 1991

• Type locality: 1,950 above sea level, Sugonokkoshi, Arimine, Toyama city, Toyama prefecture
• Volcanic rocks
• Pleistocene (0.22 - 0.2 Ma; 0.27 Ma, K-Ar)

• Lithofacies: Olivine quartz hypersthene augite biotite hornblende andesite lava (A flow unit)
• Lithofacies (Minor): Hypersthene augite quartz biotite hornblende dacite

• Source: southeast of Sugonokkoshi mountain villa
• Thickness (A unit): ca. 30 - 350 m
• Running distance: 6 km or more
• Upper limit: Unconformity (Arimine Tunnel Lava)
• Lower limit: Unconformity (Funatsu Granitic Rocks, Jinzu Group)

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

• Distribution: Sugonokkoshi - Magawa river - Sugo-Ichinotani valley - Sugo-Ninotani valley, Toyama city, Toyama pref.

• Nakano et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.37-48 DOI
• Harayama et al. (2000) Geology of the Tateyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 218p. (in Japanese with English abstract 6p.)
• 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.)