[ Top ] [ Japanese ]

Kitamata Welded Tuff

• Volcanic rocks
• Paleogene
• Intruded by: Okawazawa Granite

• Metamorphic facies: Contact (Okawazawa Granite, Kanazawa Granite)
• Lithofacies: Rhyolite welded tuff

• Distribution: Kitamatahondani valley, Otsumetazawa - Hachiminekiretto - Kagogawa river, Omachi city, Nagano pref.

• 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.)