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Chino Granodiorite

Invalid synonym: Shiga Quartz Diorite

• Plutonic rocks
• late Miocene (8.5 Ma, K-Ar; 8.5 Ma, FT)
• Intruded in: Koizumiyama Granodiorite

• Lithofacies: Granodiorite
• Lithofacies (Minor): Biotite granite

• Distribution (East-West): 4 km
• Distribution (South-North): 5 km
• Upper limit: Unconformity (Kirigamine Volcanics, Yatsugatake Mudflow Deposit)

• Distribution: Narita, Yonezawa, Chino city, Nagano pref.; Chino - Mount Koizumiyama, Chino city, Nagano pref.; Fumonji, Shiga, Chino city, Nagano pref.

• Makimoto et al. (1996) Geology of the Takato District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 6p.)
• Sawamura and Owa (1953) Suwa, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 45p. (in Japanese with English abstract 4p.)