Futakami Siltstone Member

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Futakami Siltstone Member

Type locality: Toyama prefecture
Coherent formation
early Pleistocene
Correlation: Yabuta Formation

Lithofacies (Top, Minor): Interbedded silt and pumiceou sands
Lithofacies: Siltstone
Lithofacies (Bottom, Minor): Sandstone

Thickness: ca. 50 - 230 m
Upper limit: Conformity (Yada Sandstone Member)
Lower limit: Conformity (Hachibuse Sandstone Member)

Himi Formation (Mount Futakami, Toyama pref.)
[ Upper ]
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Jokoji Mudstone Member
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Yada Sandstone Member
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Futakami Siltstone Member
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[ Lower ]

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

Distribution: Fushiki - Amaharashi, Takaoka city, Toyama pref.
Fossils: Gastropods, Echinoids, Teredo sp., Trace fossils

Sakamoto (1963) Toyama, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 45p. (in Japanese with English abstract 6p.)