[ Top ] [ Japanese ]

Musashino Terrace Deposit (Fukuda and Hatori, 1952)

Synonym: Musashino Gravel Bed

• Type locality: Sakahama, Inagi city, Tokyo
• Coherent formation
• Pleistocene (70 - 60 ka, MIS 4)
• Correlation: Uwaichi Terrace Gravels, Ishigami Terrace Deposit, Ohami Terrace Deposit, T₁ River Terrace Deposit, Karaborigawa Formation, Kumegawa Formation, Kuromegawa Formation, Nakadai Formation, Akabane Formation, Kodaira Formation, Narimasu Formation, Nagatsuda Formation, Shimosueyoshi Formation

• Sedimentary facies: Fluvial
• Sedimentary facies: Strath terrace
• Sedimentary facies: Alluvial fan
• Sedimentary facies (Minor): Tributary
• Climate: Warm
• Lithofacies: Sands and gravels
• Lithofacies (Minor): Sands

• Thickness: 2 - 10 m
• Upper limit: Conformity (Musashino Loam), Unconformity (Tachikawa 2 Terrace Deposit, Tachikawa 2 Formation)
• Lower limit: Unconformity (Kazusa Group, Setagaya Formation, Tokyo Formation, Sagamihara Terrace Deposit, Terao Formation)

• Distribution: Sakahama, Inagi city, Tokyo; Setagaya, Tokyo; Yudonogawa river - Misawagawa river - Okurigawa river - Kottagawa river, Tokyo; Sakaigawa river - Tsurumigawa river, Tokyo - Kanagawa pref.
• Fossils: Plants, Diatoms (Freshwater)

• Nakazawa et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.5, pp.367-385 DOI
• 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. (1984) Geology of the Tokyo-Seinambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 148p. (in Japanese with English abstract 7p.)