Uomisaki volcano

[ Top ] [ Japanese ]

Uomisaki volcano Oikawa and Ishizuka, 2011

Type locality: Nishikigaura - Cape Akanesaki, Atami city, Shizuoka prefecture
Volcanic rocks
Stratovolcano
Pleistocene (ca. 0.6 - 0.5 Ma, K-Ar)
Intruded by: Hyaloclastic dikes

Sedimentary facies: Marine
Sedimentary facies: Submarine volcanic activity
Lithofacies: Tholeiite
Lithofacies: Olivine augite basalt - basaltic andesite, Augite dacite
Lithofacies: Pyroclastic breccia, Tuff breccia, Hyaloclastite
Lithofacies (Minor): Sandstone, Mudstone
Sedimentary structures: Pseudo-pillow structure

Source: Cape Uomiaki - Cape Akanesaki
Upper limit: Unconformity (Atami volcano, Kamitaga Rhyolite)
Lower limit: Unconformity (Shimotaga volcano)

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

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

Distribution: Nishikigaura, Cape Uomisaki - Cape Akanesaki, Atami city, 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.)