Ebara Formation

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Ebara Formation Kurimoto and Makimoto, 1990

Type locality: Ebaragawa river, Fukuchiyama city, Kyoto prefecture
Accretionary complex
late Permian (Radiolarians)
Intruded by: Andesite dike
Correlation: Oi Formation, Kaibara Formation

Sedimentary facies: Marine
Lithofacies: Shale
Lithofacies (Minor): Interbedded sandstone and shale, Sandstone
Sedimentary structures: Parallel stratification

Thickness: ca. 1,400 m
Distribution (Width): 1.5 - 4 km
Upper limit: Unconformity (Arima Group)

Ultra-Tamba Belt (Fukuchiyama, Kyoto pref.)
[ North ]
/--/--/--/--/-
Ishiba Formation
/--/--/--/--/-
Ebara Formation
/--/--/--/--/-
Takatsu Formation
/--/--/--/--/-
[ South ]

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

Distribution: Ebara - Kawakita - Sakai - Shinjo, Fukuchiyama city, Kyoto pref.
Fossils (Radiolarians): Albaillella triangularis, Entactiniidae gen. et sp. indet., Follicucullus bipartitus, Follicucullus charveti, Follicucullus scholastics, Ishigaum trifusis, Nazarovella gracilis, Pseudotormentus kamigoriensis

Kurimoto and Makimoto (1990) Geology of the Fukuchiyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 97p. (in Japanese with English abstract 5p.)