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Taiheizan Plutonometamorphic Rocks Ozawa et al., 1981
- Plutonic rocks
- Late Cretaceous, Coniacian (89 - 88 Ma, K-Ar)
- Lithofacies: Hornblende biotite granodiorite
- Lithofacies (Minor): Biotite granite, Gabbro, Quartz diorite, Tonalite
- Taiheizan Plutonometamorphic Rocks
- [ Young ]
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- Metamorphic rocks
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- [ Old ]
- Taiheizan Plutonometamorphic Rocks
- [ Young ]
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- Main intrusive rocks
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- Oldest plutonometamorphic rocks
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- [ Old ]
- Taiheizan Complex Pluton
- [ Young ]
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- Tertinary granite
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- Taiheizan Plutonometamorphic Rocks
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- [ Old ]
------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Asahi river - Marumai river - Sugisawa river - Sannai river - Omata river, Akita city, Akita pref.; Yodo river - Hinokinai river, Daisen city, Akita pref.; Kitaakita city - Kamikoani city, Kitaakita county, Akita pref.
- Hosoi et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.4, pp.279-295 DOI
- Kano et al. (2012) Geology of the Aniai District, 2nd Edition, 1:50,000 Quadrangle Series, Geological Survey of Japan, AIST, 59p. (in Japanese with English abstract 4p.)
- Ozawa et al. (1981) Geology of the Taiheizan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 4p.)