[ Top ] [ Japanese ]

Nihonbara Formation

• Coherent formation
• Pleistocene

• Sedimentary facies: Terrestrial
• Sedimentary facies: Alluvial fan
• Lithofacies: Conglomerate
• Lithofacies (Minor): Gravel-bearing sandstone, Sandstone

• Thickness: ca. 5 - 30 m

• Distribution: Nagi city, Katsuta county, Okayama pref.; Shimoyokono - Kyobara, Tsuyama city, Okayama pref.

• Kawai (1957) Tsuyama-Tobu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 63p. (in Japanese with English abstract 8p.)