[ Top ] [ Japanese ]
Okumayama Granodiorite (Kano, 1973) Harayama et al., 2000
Invalid synonym: Okumayama Granite
- Plutonic rocks
- Collision type metamorphism by the subduction of Yangtze plate under Sino-Korea plate
- Jurassic (182.6 Ma, Rb-Sr)
- Intruded by: Kuranosukedan type, Sugodan Granite, Hayatsukigawa Granite, Kekachidake Granite, Oyamadan Granite, Okukurobe Granite, Kizaki Rhyolite, Kurobegawa Granite, Andesite dykes, Rhyolite dykes
- Intruded in: Hida Metamorphic Rocks, Augen mylonite
- Lithofacies: Hornblende biotite granodiorite, Quartz diorite
- Structure: Schistose
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Okumayama - Mount Dainichidake - Mount Okudainichidake, Kamiichi city, Nakaniikawa county, Toyama pref.; Mount Tateyama - Magawa river - Kurobegawa river, Tateyama city, Nakaniikawa county, Toyama pref.; Iwaidani valley, Toyama city, Toyama pref.
- Harayama et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.63-81 DOI
- Harayama et al. (2000) Geology of the Tateyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 218p. (in Japanese with English abstract 6p.)