Inagawa Granodiorite

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Inagawa Granodiorite

Synonym: Inagawa Granite

Late Cretaceus (83.5 - 81.9 Ma, CHIME, 76 - 67 Ma, U-Pb; 70.1 - 66.0 Ma, K-Ar)
Cooling age: Eocene (67.4 Ma, Rb-Sr)
Intruded by: Naegi-Agematsu Granodiorite, Busetsu Granite
Intruded in: Mino-Tanba Belt, Nohi Rhyolites, Ryoke Metamorphic Rocks

Lithofacies: Biotite granodiorite, Hornblende biotite granite
Lithofacies (Minor): Biotite granite

Inagawa Granodiorite
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Type 1 (Medium-grained hornblende-biotite granodiorite)
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Type 2 (Coarse porphyritic hornblende-biotite granodiorite)
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Type 3 (Coarse hornblende-biotite granodiorite)
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Type 4 (Coarse biotite granite)
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Younger Roke Granitoids (Aichi)
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Inagawa Granodiorite
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Busetsu Granite
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Shinshiro Tonalite
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Mafic rocks
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Mitsuhashi Granite
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Ikuta Granite
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Ryoke Belt
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Ryoke Metamorphic Rocks
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Younger Ryoke Granitoids
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Older Ryoke Granitoids
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------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

Distribution: Southern Central Alps, Nagano pref.; Toyota city, Aichi pref.; Mount Sanage, Toyota city, Aichi pref., Asuke area, Aichi pref.; Akechi town, Ena city, Gifu pref.

Yamasaki (2019) Jour. Geol. Soc. Japan, vol.125, no.9, pp.707-711 DOI
Miyake et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.5, pp.173-191, DOI
Yamasaki (2013) Jour. Geol. Soc. Japan, vol.119, no.6, pp.421-431 DOI