Ochi Formation

Coherent formation
Devonian

Sedimentary facies: Marine
Lithofacies: Shale
Lithofacies (Minor): Sandstone

Thickness: 70 - 110 m
Lower limit: Unconformity? (Yokokurayama Group)

Kurosegawa Belt (Kochi pref.)
[ Upper ]
/--/--/--/--/-
Ochi Formation
~~~~~~~~~~~~~~
Yokokurayama Group
/--/--/--/--/-
[ Lower ]

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

Distribution: Mount Yokokura, Ochi city, Takaoka county, Kochi pref.
Fossils: Lepidodendron, Brachiopods (Orbiculoidea sp.)

Yasui and Okitsu (2007) Jour. Geol. Soc. Japan, vol.113, no.1, pp.15-18 DOI