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Kamikurata Formation Association for Kanto Quaternary research, 1973

Invalid synonym: Odoriba Formation, Konan Formation

• Type locality: Yarigaya, Kamikurata, Totsuka ward, Yokohama city, Kanagawa pref.
• Coherent formation
• Pleistocene

• Sedimentary facies: Marine
• Sedimentary facies (Gravels): Fluvial
• Sedimentary facies: Inner bay
• Lithofacies (Top, Minor): Peat
• Lithofacies (Upper): Sands-dominant interbedded sands and mud
• Lithofacies (Middle): Sands
• Lithofacies (Lower): Mud
• Lithofacies (Minor): Gravels
• Sedimentary structures: Cross stratification

• Thickness: ca. 11 - 50 m
• Upper limit: Conformity, partly Interfingered (Sannodai Loam), Unconformity (Nishine Formation, Maioka Formation, Totsuka Formation)
• Lower limit: Unconformity (byobugaura Formation, Kazusa Group)

• Distribution: Kamikurata town - Maioka town - Maeda town, Akiba town - Nase town - Kawakami town - Yoshida town, Totsuka ward, Yokohama city, Kanagawa pref; Mount Shirahatayama, Shinano town, Totsuka ward, Yokohama city, Kanagawa pref.; Nagata town - Mutsukawa town, Minami ward, Yokohama city, Kanagawa pref.; Shirane town, Asahi ward, Yokohama city, Kanagawa pref.; Hakusan town - Nagatsuda town, Midori ward, Yokohama city, Kanagawa pref.; Ondagawa river, Yokohama city, Kanagawa pref.; Kaminagata town - Shimonagata town, Konan ward, Yokohama city, Kanagawa pref.; Kariba town, Hodogaya ward, Yokohama city, Kanagawa pref.
• Fossils (Shellfishes): Raeta yokohamaensis

• Oka et al. (1984) Geology of the Tokyo-Seinambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 148p. (in Japanese with English abstract 7p.)
• Mitsunashi and Kikuchi (1982) Geology of the Yokohama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 105p. (in Japanese with English abstract 4p.)