Shozugawa Tuff Breccia

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Shozugawa Tuff Breccia

Type locality: Shozu river, Mutsu city, Aomori prefecture
Volcanic rocks
Pleistocene - Holocene

Sedimentary facies (Sands and gravels): Marine?
Lithofacies: Andesitic tuff breccia
Lithofacies (Minor): Mudflow deposit, Lapilli tuff, Pumiceous tuff, Sandy tuff, Sands and gravels

Osorezan volcano
?--?--?--?--?-
Tsurugiyama Lava
?--?--?--?--?-
Tsurugiyama Agglomerate
?--?--?--?--?-
Shozugawa Tuff Breccia
?--?--?--?--?-

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

Distribution: Lake Usori - Shozu river - Dedo river, Mutsu city, Aomori pref.
Fossils: Wood fragments

Uemura and Saito (1957) Ohata, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 31p. (in Japanese with English abstract 8p.)