Kunaga Formation

[ Top ] [ Japanese ]

Kunaga Formation Uchino et al., 2017

Type locality: Kunaga seashore, Toba city, Mie prefecture
Accretionary complex
Volcanic rocks
early - middle Devonian (Radiolarians)

Sedimentary facies: Shallow marine
Lithofacies: Felsic tuff

Thickness: 20 m or thicker
Distribution (Width): ca. 50 m

Kurosegawa Belt (Toba, Mie pref.)
[ Young ]
/--/--/--/--/-
Toya Complex
/--/--/--/--/-
Toba Group
/--/--/--/--/-
Yufune Formation
/--/--/--/--/-
Kunaga Formtion
/--/--/--/--/-
Hatakechaya Ultramafic Rocks
/--/--/--/--/-
[ Old ]

Chichibu Belt
[ Upper ]
/--/--/--/--/-
Kurosegawa Belt
/--/--/--/--/-
Northern Chichibu Belt
/--/--/--/--/-
Southern Chichibu Belt
/--/--/--/--/-
[ Lower ]

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

Distribution: Kunaga seashore, Toba city, Mie pref.
Fossils (Radiolarians): Helenifore sp., Palaeoscenidium sp., Protohloeciscus sp.

Uchino et al. (2017) Geology of the Toba District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 141p. (in Japanese with English abstract 5p.)