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Middle Terrace Deposits

• Type locality: Island Park, Tsudo, Okinoshima city, Oki county, Shimane prefecture
• Coherent formation
• Pleistocene (Shimosueyoshi transgression, MIS 6 - 5e)
• Correlation: Middle Terrace Deposits, Yumachi Formation (= Middle I Terrace Deposits)

• Sedimentary facies: Coastal terrace
• Lithofacies: Gravels, Clay, Volcanic ash

• Thickness: ca. 4 m or thicker

• Distribution: Saigo bay - Tsuma bay - Tsudo, Okinoshima city, Oki county, Shimane pref.

• Yamauchi et al. (2009) Geology of the Saigo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 118p. (in Japanese with English abstract 3p.)