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Jiigatake Andesite

• Volcanic rocks
• Pleistocene
• Correlation: Hotaka Andesites
• Intruded by: Kanazawa Granodiorite

• Lithofacies: Hornblende andesite hyalclastite
• Lithofacies (Minor): Tuff

• Lower limit: Unconformity (Ariake Granite, Shirasawanokoru Clastic Bed)

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

• Distribution: Kagogawa river - Kurosawa creek - Shirasawa creek - Mount Jiigatake - Mount Shiratake, Omachi city, Nagano pref.

• Kato et al. (1989) Geology of the Omachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 7p.)