[ Top ] [ Japanese ]

Itoshima Granodiorite

• Type locality: Itoshima city, Fukuoka prefecture
• Plutonic rocks
• Early Cretaceous (116 93.4, 88.9 Ma, Rb-Sr; 110.0, 102 Ma, U-Pb; 99.0 K-Ar)
• Intruded by: Saga Granite, Mitsuse Granite, Fukuoka Granite, Sawara Granite, Fukae Granite

• Lithofacies: Hornblende biotite tonalite, quartz diorite

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

• Distribution: Mount Ukidake, Itoshima city, Fukuoka pref.; Gokayama, Nakagawa city, Fukuoka pref.

• Yuhara et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.6, pp.405-420 DOI
• Adachi et al. (2012) Jour. Geol. Soc. Japan, vol.118, no.1, pp.39-52 DOI
• Kawano and Yuhara (2008) Jour. Geol. Soc. Japan, vol.114, no.5, pp.218-230 DOI