[ Top ] [ Japanese ]

Shimizu Lava Hayashi, 1984

• Stratovolcano
• West Chokai edifice and flank volcano
• Volcanic rocks
• Pleistocene

• Lithofacies: Calc-alkaline
• Lithofacies: Hornblende-bearing hypersthene olivine augite andesite
• Lithofacies: Lava

• Source: Shimizu, Yuza city, Akumi county, Yamagata pref.
• Thickness: 10 m or thicker
• Lower limit: Unconformity (Araizawagawa Lava, Torinoumi Lava)

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

• Distribution: Shimizu - Araizawa river, Yuza city, Akumi county, Yamagata pref.

• Nakano and Tsuchiya (1992) Geology of the Chokaisan and Fukura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 138p. (in Japanese with English abstract 7p.)