650m-oka Lava Dome

[ Top ] [ Japanese ]

650m-oka Lava Dome Isshiki, 1980

Type locality: Peak of 650 m above sea level, Mikurajima city, Tokyo
Volcanic rocks
Pleistocene - Holocene?

Sedimentary facies: Lava dome
Lithofacies: Pigeonite series
Lithofacies: Augite hypersthene andesite lava

Lava dome group
[ Upper ]
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Tsubunegamori Lava Dome
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650m-oka Lava Dome
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Yasukajigamori Lava Dome
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[ Lower ]

Mikurajima volcano
[ Upper ]
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Lava dome group
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Main stratovolcano
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[ Lower ]

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

Distribution: Peak of 650 m above sea level, Mikurajima city, Tokyo

Isshiki (1980) Geology of the Mikurajima, Inambajima and Zenisu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 35p. (in Japanese with English abstract 3p.)