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Miki Fomration Ozaki and Matsuura, 1988
Invalid synonym: Miki Gravels, Meimi Gravels, Meimi Formation, Nagaoyama Gravels
- Type locality: Takagi - Kobayashi, Miki city, Hyogo prefecture
- Coherent formation
- middle Pleistocene
- Sedimentary facies: Fluvial
- Lithofacies: Gravels
- Lithofacies (Minor): Silt, Sands
- Sedimentary structures: Imbricate structure, Cross stratification
- Paleocurrent: from North - West, from North - East
- Thickness: several - 100 m or thicker
- Lower limit: Conformity (Ono Formation)
- Osaka Group (Miki, Hyogo pref.)
- [ Upper ]
- ~~~~~~~~~~~~~~
- Miki Formation
- --------------
- Ono Formation
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Takagi - Kobayashi - Yokawa town, Miki city, Hyogo pref.; Ikeda town, Ono city, Hyogo pref.; Yashiro town - Ureshino - Kakogawa river, Kato city, Hyogo pref.; Sawadanikaitaku - Kamiuchigami - Okawase - Ueno - Kashita, Sanda city, Hyogo pref.
- Matsuura et al. (1995) Geology of the Hirone District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 110p. (in Japanese with English abstract 6p.)
- Ozaki and Matsuura (1988) Geology of the Sanda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 5p.)