Tateshina Volcanic Rocks

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Tateshina Volcanic Rocks

Type locality: Mount Tateshina, Mount Yatsugatake, Nagano prefecture
Volcanic rocks
middle Pleistocene or later (0.4 - ? Ma, K-Ar)

Tateshina Volcanic Rocks
[ Upper ]
?--?--?--?--?-
Maetateshinayama Lava
?--?--?--?--?-
Futagomine Lava
?--?--?--?--?-
[ Lower ]

Northern Yatsugatake volcanoes (Tateshina)
[ Upper ]
+__+__+__+__+_
Tateshina Volcanic Rocks
~~~~~~~~~~~~~~
[ Lower ]

Yatsugatake volcanoes (North of Natsuzawa pass)
[ Upper ]
+__+__+__+__+_
Northern Yatsugatake volcanoes
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Mount Tateshina, Mount Yatsugatake, Nagano pref.

Nishiki et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.5, pp.193-211 DOI
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.)