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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
• Correlation: Higher Terrace Deposits

• Sedimentary facies: Fluvial
• Sedimentary facies: Fandelta
• 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), Unconformity (Akashi Formation)

------ 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.; Takatsukayama - Tarumi - Kozukayama, Tarumi ward, Kobe city, Hyogo pref.; Mount Shibureyama - Kasamatsutoge pass, Kita ward, Kobe city, Hyogo pref.
• Fossils: Shellfishes (Siliqua pulchella)
• Fossils (Plants): Abies sp., Acer mono, Broussonetia kazinoki, Callicarpa sp., Carex sp., Carpinus sp., Cornus sp., Ehretia ovalifolia, Fagus microcarpa, Magnolia kobus, Melia azedarach, Prunus sp., Quercus (Cyclobalanopsis) sp., Quercus (Lepidobalanus) sp., Rubus sp., Torreya sp., Wisteria sp., Zanthoxylum sp., Zelkova sp.

• 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.)
• Huzita and Maeda (1984) Geology of the Suma District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 101p. (in Japanese with English abstract 7p.)
• Huzita and Kasama (1983) Geology of the Kobe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 115p. (in Japanese with English abstract 8p.)