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Fujitoge Formation (Suzuki, 1951)
Ikenohara Coarse Sandstone Member at the bottom is re-defined as a part of Shiotsubo Formation.
- Type locality: Fuji pass, Aizubange city, Kawanuma county - Nishiaizu city, Yama county, Fukushima prefecture
- Coherent formation
- late Miocene - early Pliocene (9 - 4 Ma)
- Contemporaneous heterotopic facies: Yokomuki Formation, Otoge Formation
- Contemporaneous heterotopic facies (Lower): Shiotsubo Formation
- Sedimentary facies: Terrestrial
- Sedimentary facies: Caldera-overflow pyroclastic flow deposit, Fluvial
- Sedimentary facies (Lower, Minor): Shallow marine
- Sedimentary facies (Upper): Hyperconcentrated flood flow, River channel
- Sedimentary facies (Lower): Hyperconcentrated flood flow, Flood plain, Sandy river channel
- Sedimentary facies (Lower, Minor): Tidal flat
- Lithofacies: Conglomerate, Sandstone, Siltstone, Pyroclastic flow deposit
- Lithofacies (Minor): Lignite
- Sedimentary structures (Upper): Trough cross-stratification, Imbrication
- Sedimentary structures (Lower): Parallel stratification, Low angle cross-stratification, Scour-fill cross-stratification, Wave ripples
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Fuji pass - Tabanematsu pass, Aizubange city, Kawanuma county - Nishiaizu city, Yama county, Fukushima pref.; Sakasegawa, Aizumisato city, Onuma county, Fukushima pref.
- Fossils: Plants
- Tephra: Takasato Pyroclastic Flow Deposit, Yamato Pyroclastic Flow Deposit, Ichinotogawa Pyroclastic Flow Deposit, Natsui Pyroclastic Flow Deposit, Nadegi Pyroclastic Flow Deposit, Saitsu Pyroclastic Flow Deposit, Yanaizu Pyroclastic Flow Deposit, Niitsuru Pyroclastic Flow Deposit, Mishima Pyroclastic Flow Deposit, Tsurunumagawa Pyroclastic Flow Deposit
- Furukawa et al. (2018) Geology of the Azuma Yama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 74p. (in Japanese with English abstract 3p.)
- Yamamoto et al. (2006) Geology of the Kitakata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 63p. (in Japanese with English abstract 5p.)
- Yamamoto and Komazawa (2004) Geology of the Miyashita District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 71p. (in Japanese with English abstract 5p.)
- Yamamoto and Yoshioka (1992) Geology of the Wakamatsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 73p. (in Japanese with English abstract 5p.)