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Chichiimisaki Formation Chiba et al., 2000

• Type locality: Cape Chichiimisaki, Ama city, Oki county, Shimane prefecture
• Coherent formation
• Pliocene

• Sedimentary facies: Valley-fill deposits
• Lithofacies: Sandstone, Conglomerate
• Sedimentary structures: Parallel stratification, Cross stratification

• Thickness: 10 m or thicker
• Lower limit: Unconformity (upper Somma)

• Distribution: Cape Chichiimisaki, Ama city, Oki county, Shimane pref.

• Chiba et al. (2000) Geology of the Urago District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 74p. (in Japanese with English abstract 3p.)