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Odake Lava

• Volcanic rocks
• Pleistocene

• Lithofacies: Augite hypersthene andesite lava
• Paleocurrent: East-northeast

• Source: Flank Lake Nanatsuike, a crater of Mount Yokodake
• Thickness: ca. 40 m
• Distribution (Width): 600 m
• Running distance: 1,800 m
• Lower limit: Unconformity (Mitsudake Lava)

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

• Distribution: Mount Odake - Odakegawa river, Sakuho city, Minamisaku county, Nagano pref.

• Kawachi (1974) Geology of the Tateshinayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 5p.)