Tsuremizu Volcanic Rocks

Tsuremizu Volcanic Rocks Sasaki, 1977

Type locality: Tsuremizu, Misato city, Ochi county, Shimane pref.
Volcanic rocks
Eocene
Intruded by: Ijimi Granite

Sedimentary facies: Subaqueous
Lithofacies (Upper): Dacite - Rhyolite tuff, Lava
Lithofacies (Middle): Andesite lava, Pyroclastic rocks
Lithofacies (Lower): Rhyolite welded tuff
Lithofacies (Minor): Siltstone

Thickness: 400 m
Distribution (East - West): ca. 3 km
Distribution (South - North): ca. 2 km
Lower limit: Unconformity (Akana Granodiorite)

Takayama Group
[ North ]
~~~~~~~~~~~~~~
Hakami Volcanic Rocks
~~~~~~~~~~~~~~
Yugakaigawa Volcanic Rocks
~~~~~~~~~~~~~~
Tsuremizu Volcanic Rocks
~~~~~~~~~~~~~~
Takayama Volcanic Rocks
~~~~~~~~~~~~~~
[ South ]

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

Distribution: Tsuremizu, Misato city, Ochi county, Shimane pref.; Matsumoto, Iinan city, Iishi county, 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.)