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O'hara Tonalite

• Type locality: Mount Ohbi, Ohara, Sakyo-ku, Kyoto prefecture
• Plutonic rocks
• Cretaceous (103, 83.8 Ma, K-Ar; 102.4 Ma, CHIME)
• Intruded by: Granite porphyry, Quartz porphyry
• Intruded in: Tamba Belt

• Lithofacies: Magnetite series
• Lithofacies: Adakitic
• Lithofacies: Tonalite
• Lithofacies (Minor): Quartz diorite, Granodiorite

• Distribution (North-South): ca. 4 km
• Distribution (East-West): ca. 1 km

------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Mount Ohbi, Ohara, Sakyo-ku, Kyoto pref.

• Kiji et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.1, pp.107-118 DOI