[ Top ] [ Japanese ]

Ogi Quartz Diorite

• Plutonic rocks
• Older than Paleocene (61.2 Ma, Rb-Sr)
• Intruded by: Daito Granodiorite, Odakara Granodiorite
• Correlation: Nakano Body, Ushiroyama Body, Hoin Body, Ashihara Body, Misawa Body

• Lithofacies: Hornblende biotite quartz diorite, Tonalite
• Lithofacies (Minor): Biotite hornblende quartz diorite, Gabbro

• Distribution: Obara, Okuizumo city, Shimane pref.

• Yakushiji et al. (2012) Jour. Geol. Soc. Japan, vol.118, no.1, pp.20-38 DOI
• Matsuura et al. (2005) Geology of the Kisuki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 72p. (in Japanese with English abstract 5p.)