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Norouchi Formation Noda et al., 2021
- Coherent formation
- Pleistocene
- Sedimentary facies: Fluvial
- Lithofacies: Gravels
- Lithofacies (Minor): Silt
- Thickness: ca. 60 m
- Lower limit: Unconformity (Izumi Group)
- Distribution: Ayukurushidanigawa river, Kaminorouchi, Miyoshi city, Tokushima pref.
- Noda et al. (2021) Geology of the Ikeda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 150p. (in Japanese with English abstract 5p.)