Karasugasen Alternation Member

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Karasugasen Alternation Member

High P/T metamorphic rocks
Metamorphism: early Carboniferous - Late Jurassic

Lithofacies: Interbedded slate and chert

Upper limit: Conformity (Kamiyokonookudani Clayslate Member)
Lower limit: Conformity (Shimmei Clayslate Member)

Tomata Formation
[ Upper ]
/--/--/--/--/-
Okunotaira Alternation Member
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Kamiyokonookudani Clayslate Member
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Karasugasen Alternation Member
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Shimmei Clayslate Member
/--/--/--/--/-
[ Lower ]

Sangun Metamorphic Belt (Tsuyama, Okayama pref.)
[ Upper ]
/--/--/--/--/-
Tomata Formation
/--/--/--/--/-
Aida Formation
/--/--/--/--/-
[ Lower ]

Distribution: Tsuyama city, Okayama pref.

Kawai (1957) Tsuyama-Tobu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 63p. (in Japanese with English abstract 8p.)