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Okutani Formation

• Coherent formation
• Tertiary?

• Lithofacies: Shale, Sandstone, Conglomerate
• Sedimentary structures: Joints

• Distribution: Miyanaka - Hikihara, Okutani, Yabu city, Hyogo pref.

• Hirokawa (1954) Oyaichiba, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 31p. (in Japanese with English abstract 10p.)