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Suenosaki Formation Ehiro and Bando, 1985

• Type locality: Suenosaki - Tanoura, Ishihama, Utatsu, Minamisanriku city, Miyagi prefecture
• Coherent formation
• middle - late Permian
• Correlation: Toyoma Formation

• Sedimentary facies: Marine
• Lithofacies: Sandy - silty slate
• Lithofacies (Minor): Calcareous sandstone, Pebbly mudstone

• Thickness: 800 m or thicker
• Upper limit: Conformity

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

• Distribution: Suenosaki - Tanoura, Ishihama, Utatsu, Minamisanriku city, Miyagi prefecture
• Fossils: Crinoids, Corals
• Fossils (Ammonoids): Araxoceras cf. rotoides, Dzhulfoceras cf. furnishi, Psudogastrioceras sp., Stacheoceras iwaizakiense, Stacheoceras giganteum, Timorites intermedius, Vescotoceras japonicum
• Fossils (Bivalves): Palaeoneilo ogachiensis
• Fossils (Gastropods): Astartella toyomensis, Euphemitopsis kitakamiensis, Pseudopermophorus uedai
• Fossils (Brachiopods): Lepidolina kumaensis, Lepidolina multiseptata
• Fossils (Fusulinids): Lepidolina kumaensis, Lepidolina multiseptata

• Ehiro and Morikiyo (2013) Jour. Geol. Soc. Japan, vol.119, Supplement, pp.47-67 DOI
• Kamada (1993) Geology of the Tsuya District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 70p. (in Japanese with English abstract 6p.)