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Hamatsuda facies Ikebe, 1949
Invalid synonym: Hamatsuda Formation
- Coherent formation
- Distal facis of a trough basin
- late Pliocene - early Pleistocene
- Correlation: Tamugigawa Formation
- Sedimentary facies: Marine
- Sedimentary facies: Outer fan of a submarine fan
- Sedimentary facies: Hemipelagic
- Sedimentary facies: Distal turbidite
- Lithofacies: Interbedded sandstone and mudstone
- Sedimentary structures: Bioturbation
- Paleocurrent: to North and East
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Hamatsuda, Nishiyama town, Kashiwazaki city, Niigata pref.
- Fossils: Trace fossils
- Kobayashi et al. (1995) Geology of the Kashiwazaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 102p. (in Japanese with English abstract 4p.)
- Kobayashi et al. (1993) Geology of the Izumozaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 91p. (in Japanese with English abstract 4p.)