Nari Clastic Rocks

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Nari Clastic Rocks Sawada, 1978

Type locality: Nari, Kakeya town, Unnan city, Shimane prefecture
Coherent formation
early Miocene

Lithofacies (Upper): Mudstone
Lithofacies (Upper, Minor): Andesite tuff
Lithofacies (Lower): Interbedded conglomerate and sandstone
Lithofacies (Basal): Conglomerate
Lithofacies (Minor): Felsic tuff
Sedimentary structures (Upper): Slump structures

Thickness: ca. 150 m
Upper limit: Transitional (Matsukasa Volcanic Rocks), Unconformity (Karakuri Dacite)
Lower limit: Unconformity

Hata Formation (Hata, Shimane pref.)
[ Upper ]
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Matsukasa Volcanic Rocks
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Nari Clastic Rocks
~~~~~~~~~~~~~~
[ Lower ]

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

Kakeya caldera
[ Upper ]
~~~~~~~~~~~~~~
Hata Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Nari - Tagami, 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.)