Kobama Formation

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Kobama Limestone

Coherent formation
Permian

Lithofacies: Crinoid limestone
Lithofacies: Biomicrite, Biosparite

Oyakejima Formation
[ Upper ]
?--?--?--?--?-
Kobama Limestone
--------------
Lower part
?--?--?--?--?-
[ Lower ]

South Kitakami Belt (Ogatsu, Miyagi pref.)
[ Upper ]
?--?--?--?--?-
Toyoma Formation
--------------
Oyakejima Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Miyagi pref.
Fossils: Crinoids, Corals, Calcareous algae, Bryozoans

Kamada and Takizawa (1992) Geology of the Osu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 4p.)
Takizawa et al. (1990) Geology of the Toyoma District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 126p. (in Japanese with English abstract 8p.)