Towata Mudstone

[ Top ] [ Japanese ]

Towata Mudstone

Coherent formation
middle Miocene

Lithofacies: Mudstone

Thickness: ca. 100 m
Lower limit: Transitional (Amanomiya Sandstone)

Amakata Formation
[ Upper ]
--------------
Towata Mudstone
--------------
Amanomiya Sandstone
--------------
Haramishi Conglomerate
~~~~~~~~~~~~~~
[ Lower ]

Amakata Formation
[ Upper ]
~~~~~~~~~~~~~~
Shishigahana Conglomerate
~~~~~~~~~~~~~~
[ Lower ]

Kurami Group
[ Upper ]
~~~~~~~~~~~~~~
Matsuba Formation
--------------
Amakata Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Morimachi city - Iida, Shuchi county, Shizuoka pref.; Haraizumi, Kakegawa city, Shizuoka pref.

Saito and Isomi (1954) Akihasan, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 34p. (in Japanese with English abstract 10p.)