Teradani Andesite

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Teradani Andesite Sawada, 1978

Type locality: Teratani, Kakeya town, Unnan city, Shimane prefecture
Volcanic rocks
middle Miocene

Lithofacies: Andesite tuff breccia, Volcanic breccia
Lithofacies (Minor): Andesite lava, Volcanic conglomerate, Tuff, Tuffaceous mudstone

Thickness: 0 - 100 m
Upper limit: Transitional (Karakuri Dacite)
Lower limit: Unconformity (Matsukasa Volcanic Rocks)

Kawai Formation (Hata, Shimane pref.)
[ Upper ]
~~~~~~~~~~~~~~
Karakuri Dacite
--------------
Teradani Andesite
~~~~~~~~~~~~~~
[ Lower ]

southern Izumo, Shimane pref.
[ Upper ]
--------------
Jinzai Formation
--------------
Hikawa Formation
--------------
Fujina Formation
-------~~~~~~~
Omori Formation
~~~~~~~~~~~~~~
Kuri Formation
'''''''/,,,,,,
Kawai Formation
~~~~~~~~~~~~~~
Hata Formation
~~~~~~~~~~~~~~
Sada Formation
--------------
[ Lower ]

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

Distribution: Teratani - Asahara - Fukuda, Kakeya town, Unnan city, Shimane pref.

Hattori et al. (1983) Geology of the Sambesan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 168p. (in Japanese with English abstract 7p.)