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Onbara Granite (Yoshida, 1961) Hattori et al., 1983
Invalid synonym: Tsuga Granite, Onbara Body
- Type locality: Kokidanigawa river - Takedanigawa river, Onbara, Misato city, Ochi county, Shimane prefecture
- Plutonic rocks
- Paleogene (65.2, 60.0 Ma, K-Ar)
- Correlation: Hiyodori Granite
- Intruded by: Ijimi Granite, Nodayama Granite, Alkaline olivine basalt
- Intruded in: Ochi Group, Akana Granodiorite, Kawamoto Granodiorite
- Lithofacies: Biotite granite
------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Onbara - Kokidanigawa river - Takedanigawa river - Ago - Tsuga, Misato city, Ochi county, Shimane pref.; Nogaya - Shimoakana - Shishi, Iinan city, Iishi county, Shimane pref.; Koyabara - Tane - Nojiro - Haitori, Oda city, Shimane pref.
- Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI
- Kano et al. (2001) Geology of the Yunotsu and Gotsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 129p. (in Japanese with English abstract 5p.)
- Kano et al. (1998) Geology of the Iwami-Oda and Oura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)
- Hattori et al. (1983) Geology of the Sambesan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 168p. (in Japanese with English abstract 7p.)