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Lower Terrace 1 Deposits
- Coherent formation
- Pleistocene - Holocene (27,040, 23,400 yBP, 14C)
- Sedimentary facies: Fluvial, Alluvial fan
- Lithofacies: Gravels
- Distribution: Hagiu - Funaki - Takihama, Niihama city, Ehime pref.; Ueno - Irino - Kobayashi - Toyooka, Shikokuchuo city, Ehime pref.
- Tephra: AT
- Aoya et al. (2013) Geology of the Niihama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 181p. (in Japanese with English abstract 3p.)