Kumonoueyama Formation

[ Top ] [ Japanese ]

Kumonoueyama Formation

Coherent formation
Permian

Lithofacies: Sandstone, Slate
Lithofacies (Minor): Limestone, Iron sand bed, Conglomerate
Lithofacies (Bottom): Basal conglomerate

Thickness: ca. 900 m

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: Nairagi - Haritsuke pass - Mount Kumonoue - Mount Hachimori - Mount Hiryu, Tassobe, Miyamori town, Tono city, Iwate pref.; Suzuriishi, Sotokawame, Ohasama town, Hanamaki city, Iwate pref.
Fossils: Cephalopods (Medlicottia? sp.), Brachiopods (Martinia sp., Schellwienella sp., Spiriferina sp.), �E�~��

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.)