Main cone

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Main cone Isshiki, 1960

Type locality: Miyake city, Tokyo
Volcanic rocks
Pleistocene - Holocene

Lithofacies: Tholeiite series
Lithofacies: Olivine basalt, Pyroxene olivine basalt, Pyroxene basalt
Lithofacies (Minor): Olivine pyroxene andesite, Pyroxene andesite
Lithofacies: Lava, Volcaniclastic rocks

Main cone
[ Upper ]
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Older parasitic cone and crater
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Main cone proper
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[ Lower ]

Miyakejima volcano
[ Upper ]
~~~~~~~~~~~~~~
Younger parasitic cone and crater
~~~~~~~~~~~~~~
Central cone
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Main cone
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[ Lower ]

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

Distribution: Miyake city, Tokyo

Isshiki (1960) Miyake-jima, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 5p.)