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Kotawa Formation Matsushima, 1976

• Coherent formation
• Holocene

• Sedimentary facies: Buried valley-fill deposit
• Lithofacies (Upper): Peat, Silt
• Lithofacies (Middle): Silt, Sands
• Lithofacies (Lower): Sand-bearing mud

• Thickness: ca. 30 m

• Distribution: Kotawa - Miyata - Mito, Miura city, Kanagawa pref.

• Kodama et al. (1980) Geology of the Misaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 38p. (in Japanese with English abstract 3p.)