[ Top ] [ Japanese ]

Hachijoishiyama Granite Kubo et al., 1990

• Plutonic rocks
• Early Cretaceous (114 Ma, K-Ar)
• Intruded in: Suketsune Metamorphic Rocks, Kunimiyama Granodiorite, Udagawa Granodiorite, Tamanoyu Granodiorite, Okurayama Quartz Diorite
• Intruded by: Kawabusa Granodiorite, Nittagawa Granodiorite, Granodiorite porphyry

• Lithofacies: Biotite granite

• Distribution: Mano dam - Yagisawa, Iidate city, Soma county, Fukushima pref.; Warabiato, Kashima ward, Minamisoma city, Fukushima pref.; Namie city, Futaba county, Fukushima pref.; Ukedo river - Takase river, Namie city, Futaba county, Fukushima pref.

• Yanagisawa et al. (1996) Geology of the Somanakamura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 9p.)
• Kubo et al. (1994) Geology of the Namie and Iwaki-Tomioka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 104p. (in Japanese with English abstract 7p.)
• Kubo et al. (1990) Geology of the Haramachi and Omika District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 138p. (in Japanese with English abstract 7p.)