Shinshiro Tonalite

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Shinshiro Tonalite (Research Group for the Ryoke Belt, 1972) Otomo, 1985

Late Cretaceus (86.0 - 85.2 Ma, CHIME)
Cooling: Cretaceous (73.3 - 68.0 Ma, K-Ar)
Intruded in: Ryoke Metamorphic Rocks
Intruded by: Felsic rock dike

Lithofacies: Biotite hornblende tonalite, Hornblende biotite tonalite
Lithofacies (Minor): Biotite tonalite, Granite

Distribution (East - West): ca. 16 km
Distribution (South - North): ca. 8 km
Upper limit: Unconformity (Yabe Formation)

Younger Roke Granitoids (Aichi)
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Busetsu Granite
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Shinshiro Tonalite
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Mitsuhashi Granodiorite / Mafic rocks
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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: Takasato - Yokokawa - Kamogaya - Kamihirai - Takamatsu - Shiose - Mount Tomoesan - Iwanami - Sugitaira - Owada - Shiratori - Tashiro - Akabane - Kendai, Shinshiro city, Aichi pref.; Mount Hongu, Aichi pref.

Shisaka et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.4, pp.263-278 DOI
Kanai et al. (2014) Jour. Geol. Soc. Japan, vol.120, no.1, pp.23-35 DOI
Miyazaki et al. (2008) Geology of the Goyu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 97p. (in Japanese with English abstract 3p.)