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Tsukidate Formation (Takahashi and Mori, 1952) Matsuno, 1967

• Type locality: Tsukidate, Kurihara city, Miyagi prefecture
• Coherent formation
• Pliocene
• Correlation: Mataki Formation, upper Onuki Formation

• Sedimentary facies: Terrestrial
• Lithofacies: Sandstone
• Lithofacies (Bottom): Conglomerate
• Lithofacies (Minor): Siltstone, Mudstone, Lignite, Pumice tuff
• Sedimentary structures: Cross stratification

• Thickness: 35 - ca. 50 m
• Upper limit: Unconformity (Takashimizu Formation, Umegasawa Tuff)
• Lower limit: Unconformity (Kazawa Formation)

• Distribution: Tsukidate, Kurihara city, Miyagi pref.

• Matsuno (1967) Geology of the Wakayanagi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 24p. (in Japanese with English abstract 5p.)