[ Top ] [ Japanese ]

Kuriyadani Welded Tuff Member

• Volcanic rocks
• Late Cretaceous (ca. 63 Ma, Rb-Sr)

• Lithofacies: Rhyolite welded tuff
• Sedimentary structures: Eutaxitic

• Thickness: 0 - 100 m

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Kuriyadani valley, Okuhidaonsengo, Takayama city, Gifu pref.

• Harayama (1990) Geology of the Kamikochi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 175p. (in Japanese with English abstract 11p.)