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Kukunari Formation (Takahashi, 1962) Takizawa et al., 1974

Possibly a part of Kozumi Shale Member.

• Type locality: West coast of Kukunari, Ishinomaki city, Miyagi prefecture
• Coherent formation
• Jurassic - Cretaceous

• Lithofacies: Muddy sandstone
• Lithofacies (Minor): Sandstone, Shale

• Thickness: ca. 30 m

• Distribution: West coast of Kukunari, Ishinomaki city, Miyagi pref.
• Fossils (Bivalves): Bakevellia sp., Cuspidaria sp., Filosina? sp., Protocyprina naumanni

• Takizawa et al. (1974) Geology of the Kinkasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 62p. (in Japanese with English abstract 5p.)