[ Top ] [ Japanese ]

Udagawa Granodiorite

• Plutonic rocks
• Early Cretaceous (114 Ma, K-Ar)
• Intruded by: Hachijoishiyama Granite, Biotite granite

• Lithofacies: Magnetite series
• Lithofacies: Hornblende biotite granodiorite

• Distribution: Naramata river, Marumori city, Igu county, Miyagi pref.; Uda river - Takidaira, Soma city, Fukushima pref.; Kotaki fall - Bontenotaki fall, Iidate city, Soma 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.)