Tateshinakogen Lava

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Tateshinakogen Lava

Volcanic rocks
Pleistocene

Lithofacies: Pyroxene andesite lava, Pyroclastic rocks

Upper limit: Unconformity (Apronjo Lava)
Lower limit: Unconformity (Yokoyakyo Lava)

Younger period (Mount Shimagare - Mount Tsumeta)
[ Upper ]
~~~~~~~~~~~~~~
Jigokudani Lava
~~~~~~~~~~~~~~
Shimagareyamaseiho Lava
~~~~~~~~~~~~~~
Maruyamahokuho Lava
~~~~~~~~~~~~~~
Tateshinakogen Lava
~~~~~~~~~~~~~~
Tsumetayama Lava
~~~~~~~~~~~~~~
Tsumetayama obsidian
~~~~~~~~~~~~~~
[ Lower ]

Yatsugatake volcano
[ Upper ]
+__+__+__+__+_
Younger period
~~~~~~~~~~~~~~
Older period
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Tateshinakoge, Chino city, Nagano pref.

Kawachi (1974) Geology of the Tateshinayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 5p.)