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Ichinosawa Granite Sato, 1983

• Type locality: Ichinosawa creek, Karasugawa river, Azumino city, Nagano prefecture
• Plutonic rocks
• Late Cretaceous (63.6, 62, 59.3 Ma, K-Ar)
• Correlation: Okumatashiro Granite
• Intruded by: Ariake Granite, , Nishimata Granite, Tsumetazawa Granodiorite
• Intruded in: Sawando Complex

• Metamorphic facies: Contact (Ariake Granite, Nishimata Granite)
• Lithofacies: Biotite granite
• Lithofacies (Minor): Aplite

• Upper limit: Unconformity (Yarisawa Breccia)

• Distribution: Ichinosawa creek - Ninosawa creek, Karasugawa river, Azumino city, Nagano pref.; Ichinomatadani valley - Ninomatadani valley - Mizumatanokkoshi - Mount Jonendake, Matsumoto city, Nagano pref.

• Harayama et al. (2009) Geology of the Matsumoto District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 63p. (in Japanese with English abstract 3p.)
• 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.)
• Kato and Sato (1983) Geology of the Shinano-Ikeda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 7p.)