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Hacchodaira Lava
- Lithofacies: Orthopyroxene clinopyroxene andesite lava
- Paleocurrent: southeast
- Source: Crater of Mount Yokodake
- Thickness: ca. 10 m
- Distribution (Width): ca. 100 - 400 m
- Running distance: 700 m
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Hacchodaira, Chino city, 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.)