Miyagadani Metamorphic Rocks

[ Top ] [ Japanese ]

Miyagadani Metamorphic Rocks

Metamorphic rocks
Metamorphism: Ordovician - Silurian (433, 394 Ma, K-Ar)

Metamorphic facies: Epidote-Amphibolite facies, Granulite facies
Lithofacies: Amphibolite
Lithofacies (Minor): Crystalline limestone

Thickness: Several - 5 m

Kurosegawa Belt (Sakashu, Tokushima pref.)
[ Upper ]
/--/--/--/--/-
Sakashu Group
~~~~~~~~~~~~~~
Kochigatani Group
/--/--/--/--/-
Haigyu Group
/--/--/--/--/-
Mitaki Igneous Rocks
/--/--/--/--/-
Miyagadani Metamorphic Rocks
/--/--/--/--/-
[ Lower ]

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

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

Distribution: Mount Yamanbadake - Nakagawa river, Naka city, Naka county, Tokushima pref.; Suberidani, Katsuura city, Katsuura county, Tokushima pref.

Hara et al. (2014) Geology of the Kitagawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 72p. (in Japanese with English abstract 4p.)