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Gorinbara Basalt Lava

• Type locality: Gorinbarakogen highland, Tsuyama city, Okayama prefecture
• Volcanic rocks
• Pliocene

• Lithofacies: Olivine trachybasalt, Olivine basalt, Augite olivine basalt lava

• Thickness: 100 - 120 m or thicker
• Lower limit: Unconformity (Tando Tuff Breccia, Happongoshi Andesite Lava, Granite)

• Distribution: Gorinbarakogen highland - Dodorodani valley - Hikadani valley, Tsuyama city, Okayama pref.

• Yamada (1966) Chizu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 11p.)