Omine Sandstone Shale Member

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Omine Sandstone Shale Member

Coherent formation
Miocene

Lithofacies (Upper): Tuffaceous sandstone
Lithofacies (Upper, Minor): Conglomerate
Lithofacies (Lower): Tuffaceous sandstone-dominant interbedded sandstone and shale
Lithofacies (Lower, Minor): Conglomerate, Dacite lapilli tuff

Kiyotsu Formation
[ Upper ]
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Omine Sandstone Shale Member
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Yagisawa Tuff Member
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Yuzawa Sandstone Conglomerate Member
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Shibahara Tuff Member
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[ Lower ]

Yuzawa, Niigata pref.
[ Upper ]
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Kiyotsu Formation
?--?--?--?--?-
Shiraita Formation
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Matsukawa Formation
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[ Lower ]

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

Distribution: Niigata pref.

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.)