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Tokuwa type
Invalid synonym: Hirose type, Hirose Granodiorite, Ogarasu type
- Plutonic rocks
- late Miocene (15 - 8 Ma; 10.1 Ma, K-Ar; 9.5 Ma, Rb-Sr)
- Pegmatites: late Miocene (7.6 - 7.5 Ma)
- Intruded by: Kawaura type
- Intruded in: Kobotoke Group
- Lithofacies: Hornblende biotite granodiorite, Biotite hornblende tonalite
- Lithofacies (Minor): Biotite tonalite (Dyke?)
------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Sakeishi - Hajikano - Enzan - Yamato, Koshu city, Yamanashi pref.; Tokuwa - Makioka - Mitomi - Hirose - Serizawa, Yamanashi city, Yamanashi pref.; Kanazawa - Narahara - Takei, Fuefuki city, Yamanashi pref.; Odarumi pass - Otome mine - Kurobera town - Mount Kurasawayama, Kofu city, Yamanashi pref.
- Hara et al. (2010) Geology of the Mitsumine District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 110p. (in Japanese with English abstract 4p.)
- Mimura et al. (1984) Geology of the Mitake-Shosenkyo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 61p. (in Japanese with English abstract 4p.)