Onioshidashi Lava

[ Top ] [ Japanese ]

Onioshidashi Lava

Volcanic rocks
Holocene (year 1783)

Sedimentary facies: Terrestrial
Lithofacies: Andesitic block lava

Asamayama volcano
[ Upper ]
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Onioshidashi Lava
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Kanbara Mudflow Deposit
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Oiwake Pyroclastic Flow Deposit
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Tsumagoi Pyroclastic Flow Deposit
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Okuwa Debris Avalanche Deposit
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[ Lower ]

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

Distribution: Onioshidashi, Tsumagoi city, Agatsuma county, Gunma pref.

Ota (1957) Kusatsu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 75p. (in Japanese with English abstract 8p.)