[ Top ] [ Japanese ]
Aoki Granite (Sasakura, 1932) Kato et al., 1989
Invalid synonym: Akibasaki Porphyritic Granite
Invalid synonym: Aokiite, around Lake Aoki
Invalid synonym: Kashimaite, Daigosawa Granite, upstreams of Kashima river
- Type locality: Lake Aoki, Aoki, Taira, Omachi city, Nagano prefecture
- Plutonic rocks
- Volcano-plutonic complex
- Plutonic facies of Kizaki Rhyolite
- Paleocene (64.4 Ma, K-Ar)
- Lithofacies: Ilmenite series
- Lithofacies: Granite porphyry, Porphyritic granite, Granodiorite, Aplitic granite, Biotite graite
- Intrusion depth: Shallow intrusion
- Nishina mountains (Nagano pref.)
- [ Young ]
- ~~~~~~~~~~~~~~
- Aoki Granite
- ~~~~~~~~~~~~~~
- Kizaki Rhyolite
- ~~~~~~~~~~~~~~
- [ Old ]
------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Lake Aokiko - Lake Nakatsunako, Aoki, Taira, Omachi city, Nagano pref.; Daigo creek, Kashima river, Omachi city, Nagano pref.
- Ueki and Harayama (2012) Jour. Geol. Soc. Japan, vol.118, no.4, pp.207-219 DOI
- Kato et al. (1989) Geology of the Omachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 7p.)