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Ohgi Tonalite (Kiji, 1987)

Invalid synonym: Ohgi Body, Ohgi Granodiorite

• Type locality: Ohgi pass, Otsu city, Shiga prefecture
• Plutonic rocks
• Late Cretaceous (106 Ma, CHIME; 72.3, 70.9 Ma, K-Ar)
• Intruded by: Granite porphyry, Quartz porphyry
• Intruded in: Tamba Belt

• Lithofacies: Ilmenite series
• Lithofacies: Non-adakitic
• Lithofacies: Tonalite, Granodiorite with many hornblende crystals
• Lithofacies (Minor): Quartz diorite, Quartz monzonite

• Distribution (North-South): ca. 5 km
• Distribution (East-West): 0.5 - 1 km

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

• Distribution: Ohgitoge pass - Mount Mizuiyama - Mount Daibisan, Otsu city, Shiga pref.

• Kiji et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.1, pp.107-118 DOI
• Collaborative Research Group for the Granites around Lake Biwa (2008) Jour. Geol. Soc. Japan, vol.114, no.2, pp.53-69 DOI
• Kimura et al. (1998) Geology of the Kyoto-Tohokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 89p. (in Japanese with English abstract 5p.)