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Ojinbara Formation (Aioi city board of education ed., 1964) Sato et al., 2016

Invalid synonym: Ojinbara Gravels, Kochikusagawa Gravels, Ichikawa Gravels, Himeji Sands

• Type locality: Nabano, Aioi city, Hyogo prefecture
• Coherent formation
• Pleistocene

• Sedimentary facies: Fluvial
• Lithofacies: Gravels, Sands
• Lithofacies (Minor): Silt

• Thickness: ca. 15 - 66 m or thicker
• Lower limit: Unconformity (Gomyo Formation, Tenkadaiyama Rhyolite)

• Distribution: Haze - Ryusen town - Nabano - Yamate, Aioi city, Hyogo pref.
• Tephra: Ss-Pnk

• Sato et al. (2016) Geology of the Banshu-Ako District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 68p. (in Japanese with English abstract 3p.)