Maekesamaru volcano

Maekesamaru Lava

Volcanic rocks
Pleistocene

Lithofacies: Olivine-bearing two-pyroxene andesite lava

Source: Mount Maekesamaru

Kesamaru volcano
[ Upper ]
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Maekesamaru Lava
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Honkesamaru Lava
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[ Lower ]

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

Distribution: Mount Maekesamaru, Numata city - Midori city, Gunma pref. - Nikko city, Tochigi pref.

Kawata and Ozawa (1955) Ashio, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 57p. (in Japanese with English abstract 7p.)