Aina Formation

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Aina Formation

Type locality: Komitoge pass, Nishi ward, Kobe city, Hyogo prefecture
Coherent formation
Eocene - Oligocene

Lithofacies (Upper): Tuffaceous sandstone, Conglomerate, Mudstone
Lithofacies (Lower): Sandstone, Conglomerate, Mudstone
Lithofacies (Lower, Minor): Tuff

Thickness: 70 m or thicker

Kobe Group (Kobe, Hyogo pref.)
[ Upper ]
~~~~~~~~~~~~~~
Aina Formation
--------------
Shirakawa Formation
--------------
Taihata Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Komitoge pass, Nishi ward, Kobe city, Hyogo pref.

Huzita and Kasama (1983) Geology of the Kobe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 115p. (in Japanese with English abstract 8p.)