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Matsuhashi Rhyolite
- Type locality: Matsuhashi, Iwaizumi city, Shimohei county, Iwate prefecture
- Volcanic rocks
- Eocene (ca. 40 Ma)
- Intruded in: Matsuhashi Formation (Pre-Cretaceous)
- Lithofacies: I-type
- Lithofacies: Adakitic
- Lithofacies: Hornblende rhyolite
------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Masuhashi river, Matsuhashi, Iwaizumi city, Shimohei county, Iwate pref.
- Tsuchiya et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.159-179 DOI