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Shichiku Formation

• Type locality: Shichiku, Yotsukura town, Iwaki city, Fukushima prefecture
• Coherent formation
• Miocene (23.4 Ma, FT)

• Lithofacies:

• Distribution: Shichiku, Yotsukura town, Iwaki city, Fukushima pref.
• Fossils (Aniai-type flora):

• Kubo et al. (2002) Geology of the Kawamae and Ide District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 136p. (in Japanese with English abstract 6p.)