Yashigamine Volcanics

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Yashigamine Volcanics

Invalid synonym: Kashiwabara Lava

Volcanic rocks
Pleistocene

Sedimentary facies: Terrestrial
Lithofacies: Hornblende andesite lava
Lithofacies (Minor): Tuff breccia, Agglomerate

Upper limit: Unconformity
Lower limit: Unconformity

Enrei Volcanic Rocks (Utsukushigahara plateau)
[ Upper ]
~~~~~~~~~~~~~~
Kirigamine Volcanics
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Yashigamine Volcanics
~~~~~~~~~~~~~~
Takayama Volcanics
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Washigamine Volcanics
~~~~~~~-------
Wadatoge Volcanics
~~~~~~~~~~~~~~
Mitsumine Volcanics
~~~~~~~~~~~~~~
Utsukushigahara Volcanics
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Karasawagawa Volcanics
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Wadabokujyo Volcanics
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Mount Kashigariyama - Mount Yashigamine - Suzuran pass - Lake Shirakaba, Chino city, Nagano pref.

Mukai et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.8, pp.400-422 DOI
Kawachi (1974) Geology of the Tateshinayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 5p.)
Sawamura and Owa (1953) Suwa, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 45p. (in Japanese with English abstract 4p.)