[ Top ] [ Japanese ]

Futtsu I Cuspate Deposit Nakajima and Watanabe, 2005

• Coherent formation
• Holocene
• Upper: Holocene (9,540 - 490 yBP)
• Lower: Holocene (11,570 - 9,870 yBP)

• Sedimentary facies (Upper): Tidal flat, Inner bay
• Sedimentary facies (Lower): Fluvial
• Lithofacies (Upper): Silt, Sands, Muddy sands, Gravels
• Lithofacies (Lower): Silt

• Upper limit: Unconformity (Coastal dune)
• Lower limit: Unconformity (Sunami Sandstone Member)

• Distribution: Chiba pref.

• Nakajima and Watanabe (2005) Geology of the Futtsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 102p. (in Japanese with English abstract 8p.)