Shiroyama Tuff

Tephra
early Pleistocene

Lithofacies: Sandy tuff, Tuff (A few units)

Thickness (A unit): 10 - 30 cm

Omma Sandstone Member
[ Upper ]
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Shiroyama Tuff
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[ Lower ]

Himi Formation (Kanazawa, Ishikawa pref.)
[ Upper ]
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Omma Sandstone Member
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[ Lower ]

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

Distribution: Shiroyama, Oyabe city, Toyama pref.

Inoue et al. (1964) Johana, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 32p. (in Japanese with English abstract 5p.)