Kose Group

[ Top ] [ Japanese ]

Kose Group (Nakazawa et al., 1954)

Coherent formation
Permian

Sedimentary facies: Marine
Lithofacies: Shale
Lithofacies (Minor): Sandstone, Conglomerate, Limestone

Thickness: ca. 1,000 m
Distribution (East - West): ca. 11 km
Distribution (South - North): ca. 7 km
Upper limit: Unconformity (Nakaiso Conglomerate Bed)

Maizuru Group (Akaiwa, Okayama pref.)
[ Upper ]
/--/--/--/--/-
Dodo Group
/--/--/--/--/-
Kose Group
/--/--/--/--/-
Yanahara Group
/--/--/--/--/-
[ Lower ]

Central zone (Okayama pref.)
[ Upper ]
/--/--/--/--/-
Nakaiso Conglomerate Bed
?--?--?--?--?-
Yanagi Formation
?--?--?--?--?-
Fukumoto Group
~~~~~~~~~~~~~~
Maizuru Group
/--/--/--/--/-
[ Lower ]

Maizuru Belt
[ North ]
/--/--/--/--/-
North zone
/--/--/--/--/-
Central zone
/--/--/--/--/-
South zone
/--/--/--/--/-
[ South ]

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

Distribution: Aida town - Mimasaka - Sakuto town, Mimasaka city, Okayama pref.
Fossils (Limestone, Calcareous algae): Waagenophyllum indicum?
Fossils (Limestone, Fusulinids): Schwagerina sp., Yabeina sp.

Mitsuno and Omori (1965) Susai, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 59p. (in Japanese with English abstract 17p.)