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Suyama Formaiton

• Coherent formation
• Cretaceous

• Lithofacies: Conglomerate
• Lithofacies (Minor): Gravelly sandstone, Sandstone, Mudstone

• Thickness: 100 m or thicker
• Lower limit: Unconformity (Kochi Formation, Sanbagawa Metamorphic Rocks)

• Distribution: Suyama - Nanataki fall, Shinshiro city, Aichi pref.

• Saito (1955) Mikawa-Ono, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 36p. (in Japanese with English abstract 11p.)