Usami-Taga volcanoes

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Usami-Taga volcanoes

Volcanic rocks

Stratovolcano having mutiple eruption sources

Pleistocene (ca. 1 Ma or later)

Sedimentary facies: Terrestrial
Lithofacies: Tholeiite
Lithofacies: Olivine clinopyroxene basalt - andesite, Olivine orthopyroxene clinopyroxene basalt - andesite, Orthopyroxene clinopyroxene andesite, Clinopyroxene orthopyroxene dacite

Usami-Taga volcanoes
[ Upper ]
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Hatsushima volcano
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Ajiro volcano
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Uomisaki volcano
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Atami volcano
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Osaki volcano
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Usami volcano
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Shimotaga volcano
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[ Lower ]

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

Distribution: Shizuoka pref.

Oikawa and Ishizuka (2011) Geology of the Atami District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 61p. (in Japanese with English abstract 3p.)