Mikazura Formation

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Mikazura Formation

Accretionary complex
Early - Middle Permian (Radiolarians)

Sedimentary facies: Marine
Lithofacies: Mudstone-dominant interbedded sandstone and mudstone
Lithofacies (Minor): Sandstone, Mudstone, Felsic tuff
Sedimentary structures: Graded bedding

Lower limit: Unconformity (Migitaniyama Formation)

Nishiki Group
[ Upper ]
/--/--/--/--/-
Mikazura Formation
--------------
Migitaniyama Formation
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Kogorosan Formation
/--/--/--/--/-
[ Lower ]

Akiyoshi Belt
[ Upper ]
/--/--/--/--/-
Tsunemori Formation
/--/--/--/--/-
Akiyoshi Limestone
/--/--/--/--/-
Ota Group
/--/--/--/--/-
Nishiki Group
/--/--/--/--/-
[ Lower ]

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

Distribution: Mikazura - Mount Gakugakuyama, Hikimi town, Masuda city, Shimane pref.

Takahashi et al. (1989) Geology of the Tsuda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 56p. (in Japanese with English abstract 4p.)