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Toyotateyama Agglomerate

• Volcanic rocks
• Miocene
• Contemporaneous heterotopic facies: Fukazawa Formation, upper Tateoka Tuff Breccia Member

• Lithofacies: Agglomerate, Tuff breccia
• Lithofacies (Minor): Tuffaceous sandstone, Tuffaceous shale

• Thickness: ca. 1,000 m
• Upper limit: Unconformity (Aramachi Formation)

• Distribution: Miyazawa - Gobono, Obanazawa city, Yamagata pref.
• Fossils (Brachiopods): Laqueus sp.

• Tokunaga (1958) Obanazawa, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 32p. (in Japanese with English abstract 6p.)