Ozasa Formation

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Ozasa Formation

Coherent formation
Carboniferous, Visean (Corals)

Lithofacies: Slate, Limestone

Thickness: ca. 400 m
Upper limit: Unconformity (Tassobe Formation)

South Kitakami Belt (Ohasama, Iwate pref.)
[ Upper ]
~~~~~~~~~~~~~~
Toyoma Formation
--------------
Kumonoueyama Formation
?--?--?--?--?-
Tassobe Formation
~~~~~~~~~~~~~~
Ozasa Formation
?--?--?--?--?-
Nakazai Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Kogayo, Tassobe, Miyamori town, Tono city, Iwate pref.
Fossils: Corals (Dibunophyllum sp.)

Hirokawa and Yoshida (1956) Ohazama, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 31p. (in Japanese with English abstract 9p.)