Older Naeba volcanic products

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Older Naeba volcanic products Shimazu and Tateishi, 1993

Volcanic rocks
Pleistocene

Lithofacies: Hypersthene augite andesite
Lithofacies (Minor): Tuff breccia

Lower limit: Unconformity (Quartz diorite porphyry)

Naeba volcano
[ Upper ]
+__+__+__+__+_
4th stage products
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3rd stage products
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2nd stage products
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1st stage products
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Older Naeba volcanic products
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[ Lower ]

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

Distribution: Uenohara forest road, Sakae city, Shimominochi county, Nagano pref.; Tashiro forest road - Mount Takaishi - Mount Mukoyama - Mount Yakio - Mount Takenoko, Yuzawa city, Minamiuonuma county, Niigata pref.

Shimazu and Tateishi (1993) Geology of the Naebasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 90p. (in Japanese with English abstract 5p.)
Chihara et al. (1981) Geology of the Echigo-Yuzawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 108p. (in Japanese with English abstract 8p.)