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Gyojayama Granodiorite
- Plutonic rocks
- Late Cretaceous (93.6 Ma, K-Ar; 98.9 Ma, Rb-Sr)
- Intruded in: Tamba Belt
- Lithofacies: Biotite granodiorite
- Lithofacies (Minor): Granite
- Distribution (East - West): ca. 3 km
- Distribution (South - North): ca. 4 km
- Sanyo Belt (Kyoto)
- [ Upper ]
- ~~~~~~~~~~~~~~
- Gyojayama Granodiorite
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Gyojayama, Kameoka city, Kyoto pref.
- Imoto et al. (1989) Geology of the Kyoto-Seihokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 84p. (in Japanese with English abstract 4p.)