Omoriyama Formation

[ Top ] [ Japanese ]

Omoriyama Formation

Coherent formation
Permian

Lithofacies: Conglomerate, Sandstone

Thickness: 200 m

South Kitakami Belt (Hitokabe, Iwate pref.)
[ Upper ]
~~~~~~~~~~~~~~
Toyoma Formation
::::::::::::::
Omoriyama Formation
?--?--?--?--?-
Tochu Formation
~~~~~~~~~~~~~~
Shiba Formation
~~~~~~~~~~~~~~
Yonesato Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Otomo, Otomo town, Tono city, Iwate pref.; Mount Omori, Hanamaki city, Iwate pref.
Fossils: Corals (Amplexus sp.)
Fossils (Brachiopods): Productus horridus, Rhynchonella sp., Spiriferina cistata

Hirokawa and Yoshida (1954) Hitokabe, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 33p. (in Japanese with English abstract 14p.)