Futaana Siltstone Member

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Futaana Siltstone Member

Coherent formation
Miocene
Correlation: Akasaki Siltstone Member

Sedimentary facies: Marine
Lithofacies (Upper): Tuffaceous siltstone
Lithofacies (Lower): Sandy siltstone, Sandstone
Lithofacies (Minor): Tuff

Thickness: ca. 150 m
Lower limit: Unconformity (Entsunagi Mudstone Member)

Otogawa Formation (Notojima island, Ishikawa pref.)
[ Upper ]
--------------
Futaana Siltstone Member
~~~~~~~~~~~~~~
Entsunagi Mudstone Member
--------------
[ Lower ]

Tonami Group
[ Upper ]
~~~~~~~~~~~~~~
Mita Formation
~~~~~~~~~~~~~~
Otogawa Formation
~~~~~~~~~~~~~~
Tenguyama Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Ishikawa pref.

Imai (1965) Koguchiseto, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 26p. (in Japanese with English abstract 4p.)