Aragane Pyroclastic Member

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Aragane Pyroclastic Member Tottori prefecture, 1966

Type locality: Aragane mine, Aragane, Iwami city, Iwami county, Tottori prefecture
Volcanic rocks
Miocene

Lithofacies: Rhyolite - Dacite tuff
Lithofacies (Minor): Rhyolite - Dacite tuff breccia, Lava

Thickness: ca. 200 - 400 m
Upper limit: Conformity (Shichisan Sandstone and Mudstone Member), Unconformity (Inabayama Basalt)
Lower limit: Conformity (Oda Andesite Member, Fuganji Mudstone Member)

Iwami Formation
[ Upper ]
~~~~~~~~~~~~~~
Shichisan Sandstone and Mudstone Member
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Aragane Pyroclastic Member
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Oda Andesite Member
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Fuganji Mudstone Member
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Moroga Conglomerate Member
~~~~~~~~~~~~~~
[ Lower ]

Tottori Group (eastern Tottori pref.)
[ Upper ]
~~~~~~~~~~~~~~
Iwami Formation
~~~~~~~~~~~~~~
Kisaichi Formation
~~~~~~~~~~~~~~
Yazu Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Aragane, Iwami city, Iwami county, Tottori pref.

Uemura et al. (1979) Geology of the Wakasa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 91p. (in Japanese with English abstract 8p.)