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Zama Hills Terrace Deposit (Oka et al., 1977)

Invalid synonyms: Zama Hills Formation

• Type locality: B-2 boring core, Midorigaoka, Zama city, Kanagawa prefecture
• Coherent formation
• Higher terrace deposit
• middle Pleistocene (MIS 8)
• Correlation: Sogayama Formation

• Sedimentary facies: Fluvial
• Sedimentary facies: Alluvial fan
• Sedimentary facies: Fill strath terrace sediments
• Lithofacies: Gravels
• Lithofacies (Minor): Sands, Silt

• Thickness: 10 - 60 m
• Upper limit: Unconformity (Soda Formation, Tama II Loam, Nakatsuhara Terrace Deposit, Fujisawa Loam)
• Lower limit: Unconformity (Echi Formation, Nakatsu Group)

• Distribution: Zama hills, 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.)