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Nakatsuhara Terrace Deposit (Toya, 1961)

Invalid synonym: Nakatsuhara Gravel, Nakasato Terrace Deposit, Kitakaname Terrace Deposit

• Type locality: Nakatsu, Aikawa city, Aiko county, Kanagawa prefecture
• Coherent formation
• Terrace deposit
• Pleistocene (52 - 50 ka)
• Correlation: Tachikawa Terrace Deposits

• Sedimentary facies: Alluvial fan
• Lithofacies: Gravels, Loam-like silt

• Thickness: 1.2 - 15 m
• Upper limit: Conformity (Tachikawa Loam), Unconformity (Tanahara Terrace Deposit, Minahara Terrace Deposit, Tanahara Terrace Deposit)
• Lower limit: Unconformity (Samiko Group, Echi Formation, Zama Hills Terrace Deposit, Sagamihara Terrace Deposit)

• Distribution: Yamagiwa - Ogonogawa river, Atsugi city, Kanagawa pref.; Shirokuzawa, Midori ward, Sagamihara city, Kanagawa pref.; Isobe - Shinto, Minami ward, Sagaimhara city, Kanagawa pref.; Tashiro - Nakatsu - Nakatsugawa river, Aikawa city, Aiko county, Kanagawa pref.

• Ueki et al. (2013) Geology of the Hachioji District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 137p. (in Japanese with English abstract 6p.)
• Oka et al. (1979) Geology of the Fujisawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 5p.)