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Yasu Granite

• Plutonic rocks
• Late Cretaceous (69.7 Ma, K-Ar)

• Lithofacies: Ilmenite series
• Lithofacies: Biotite monzogranite
• Lithofacies (Minor): Biotite granite porphyry

• Distribution (East - West): ca. 7 km
• Distribution (South - North): ca. 9 km
• Upper limit: Unconformity (Shinohara Clays Member, Yamanaka Gravels Member, Hie Alternation Member, Okaya Gravels Member)

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

• Distribution: Mount Mikamiyama - Kibogaoka park - Irimachi - Tsuji dam, Yasu city, Shiga pref.; Junibo - Shofukuji temple - Iwane - Bodaiji temple, Konan city, Shig pref.; Mount Kagamiyama - Yakushi, Ryuo city, Gamo county, Shiga pref.

• Kiji et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.1, pp.107-118 DOI
• Wakita et al. (2013) Geology of the Kyoto-Tonambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 124p. (in Japanese with English abstract 3p.)
• Collaborative Research Group for the Granites around Lake Biwa (2008) Jour. Geol. Soc. Japan, vol.114, no.2, pp.53-69 DOI
• Yoshida et al. (2003) Geology of the Omi-Hachiman District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 72p. (in Japanese with English abstract 3p.)