[ Top ] [ Japanese ]
Iidesan Granodiorite Takahashi et al., 1996
- Plutonic rocks
- late Cretaceous - Paleogene (51.3 Ma, K-Ar)
- Intruded by: Granophyre, Rhyolite dykes, Basaltic - andesitic pyroclastic dykes
- Intruded in: Ashio Belt
- Lithofacies: Hornblende biotite granodiorite, Quartz diorite
- Distribution: Mount Iide, Fukushima pref. - Niigata pref. - Yamagata pref.; Mount Eboshi - Mount Dainichi - Mount Onishidake - Mount Jizodake, Niigata pref. - Yamagata pref.; Sanekawa river, Aga city, Higashikanbara county, Niigata pref.
- Kudo et al. (2011) Geology of the Kamo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 162p. (in Japanese with English abstract 4p.)
- Yanagisawa and Yamamoto (1998) Geology of the Tamaniwa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 94p. (in Japanese with English abstract 4p.)
- Takahashi et al. (1996) Geology of the Iidesan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 52p. (in Japanese with English abstract 3p.)