Akaya Shale Formation

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Akaya Shale Formation

Coherent formation
Roof pendant
Miocene
Correlation: Uwano Formation

Lithofacies: Shale

Thickness: 200 m or thicker

Tanigawa mountains, Niigata pref.
[ Upper ]
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Akaya Shale Formation
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Sennokura Pyroclastic Rock Formation
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Mantaroyama Shale Formation
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Daishojinokashira Basalt Formation
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Shigekuradake Conglomerate Formation
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[ Lower ]

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

Distribution: Niigata pref.
Fossils: Foraminifera

Chihara et al. (1981) Geology of the Echigo-Yuzawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 108p. (in Japanese with English abstract 8p.)