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Shiote Formation Kitamura et al., 1955

Invalid synonym: Shiote Group

There are opnions to include in Natori Group.

• Type locality: Uda river, Yamakami, Soma city, Fukushima prefecture
• Coherent formation
• Kitagawa-Kamimanogawa fossil valley-fill deposit
• Mizunashigawa fossil valley-fill deposit
• early Miocene (Shellfishes; 20 Ma, FT)
• Correlation: Lower Tenmyosan Volcanic Rocks, Lower Member of Kaneyama Formation, Kunugidaira Formation (Taki Formation)

• Sedimentary facies (Upper): Shallow marine
• Sedimentary facies (Lower): Fluvial
• Sedimentary facies (Minor): Lacustrine
• Sedimentary facies (Upper): Flood tidal delta
• Sedimentary facies (Lower): Channel-fill deposit, Flood plain
• Sedimentary facies (Lower, Minor): Alluvial fan
• Sedimentary facies (Lacustrine): Delta front
• Lithofacies (Upper): Sandstone
• Lithofacies (Lower): Conglomerate, Sandstone, Siltstone
• Lithofacies (Lower, Minor): Rhyolite tuff, Breccia
• Lithofacies (Lacustrine): Sandstone, Siltstone
• Sedimentary structures (Upper): Bioturbation, Planar cross-stratification, Trough cross-stratification, Herringbone cross-stratification, Wave ripples
• Sedimentary structures (Lower): Imbrication, Trough cross-stratification, Parallel stratification, Ripple foliation
• Paleocurrent (Lower): East
• Paleocurrent (Lacustrine): North

• Thickness: 150 m
• Upper limit: Conformity/Interfingered (Tenmyosan Volcanic Rocks), Unconformity (Ryozen Formation)
• Lower limit: Unconformity, Abut unconformity (Granites)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Shiote, Marumori city, Igu county, Miyagi pref.; Uda river, Yamakami, Soma city, Fukushima pref.; Kamimano river, Jisabara, Kashima ward, Minamisoma city, Fukushima pref.; Yagisawa pass - Suketsune, Haramachi ward, Minamisoma city, Fukushima pref.; Tarayachi, Odaka ward, Minamisoma city, Fukushima pref.
• Distribution (Lacustrine): Saikawa, Ouchi, Marumori city, Igu county, Miyagi pref.
• Fossils (Shellfishes): Batillaria (Tateiwaia) cf. sitoi, Batillaria (Tateiwaia) yamanarii, Cardium shinjiense, Compsomyax cf. iizukai, Cyclina japonica, Hiatula minoensis, Meretrix cf. arugai, Panope cf. nomurae, Phaxus izumoensis, Ponomya simotomensis, Siratoria siratoriensis, Solen sp., Venus yokoyamai, Vicarya yokoyamai, Vicaryella cf. jobanica
• Fossils (Shiote flora): Acer iwaii, Acer subpictum, Buxus japonica, Carpinus ellipticibracteata, Carpinus jobanensis, Carpinus protocordatus, Carya sp., Cephalotaxus sp., Cinnamomum cf. scheutzeri, Cornus sp., Euonymus cf. palaeosieboldianus, Fagus jobanensis, Fothergilla ryozennensis, Ilex geniculata, Katopanax acelifolium, Lindera umbellatum, Liquidambar formosana, Metasequoia japonica, Quercus hanagaii, Rhus miosuccedania, Smilax trinervis, Sorbus sp., Ulmus longifolia, Zelkova elongata, Zelkova ungeri

• Yanagisawa et al. (1996) Geology of the Somanakamura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 9p.)
• Kubo et al. (1990) Geology of the Haramachi and Omika District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 138p. (in Japanese with English abstract 7p.)
• Fujita et al. (1988) Geology of the Kakuda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 99p. (in Japanese with English abstract 9p.)