Matsuba Formation

Coherent formation
middle Miocene

Lithofacies: Tuffaceous mudstone, Mudstone, Sandstone

Kurami Group
[ Upper ]
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Matsuba Formation
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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.)