Hoso-o Formation

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Hoso-o Formation Misaki and Ehiro, 2004

Coherent formation
middle Permian

Sedimentary facies: Marine
Lithofacies (Upper): Sandstone, Interbedded sandstone and mudstone
Lithofacies (Bottom of upper part): Calcareous conglomerate
Lithofacies (Lower): Interbedded sandstone and mudstone
Lithofacies (Lower, Minor): Conglomerate

Upper limit: Conformity (Kamiyasse Formation)
Lower limit: Conformity (Nakadaira Formation)

South Kitakami Belt (Kesennuma, Miyagi pref.)
[ Upper ]
?--?--?--?--?-
Kurosawa Formation
--------------
Kamiyasse Formation
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Hoso-o Formation
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Nakadaira Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Kamiyasse, Kesennuma city, Miyagi pref.
Fossils: Brachiopods, Bivalves
Fossils (Fusulinids): Sumatrina cf. annae, Pseudodoliolina pseudolepida, Chusenella sinensis, Codonofusiella sp., Kahlerina sp., Nankinella sp., Rauserella? sp.
Fossils (Foraminifera): Abadehella aff. coniformis, Agathammina sp., Climacammina sp., Geinitzina sp., Langella sp., Neodiscus sp., Agathammina sp., Pachyphloia sp., Tetrataxis sp.

Tazawa and Araki (2016) Jour. Geol. Soc. Japan, vol.122, no.4, pp.155-161, DOI
Shiino et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.4, pp.200-205 DOI