[ Top ] [ Japanese ]
Tanne Formation Nagamori et al., 2010
- Type locality: upper stream of Tannnegawa river, , Itoigawa city, Niigata prefecture
- Coherent formation
- late Pliocene
- Contemporaneous heterotopic facies: Nadachi Formation
- Sedimentary facies: Marine
- Lithofacies: Sandy mudstone, Muddy sandstone
- Lithofacies (Upper, Minor): Sandstone
- Lithofacies (Bottom): Volcanic breccia, Andesite tuffaceous sandstone
- Itoigawa, Niigata pref.
- [ Upper ]
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- Tanne Formation
- ~~~~~~~~~~~~~~
- Umikawa Formation
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: upper stream of Tannnegawa river, , Itoigawa city, Niigata pref.
- Fossils: Sponges (Makiyama chitanii)
- Nagamori et al. (2018) Geology of the Itoigawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 75p. (in Japanese with English abstract 3p.)
- Nagamori et al. (2010) Geology of the Kotaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 130p. (in Japanese with English abstract 4p.)
- Takeuchi et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.123-142 DOI