Sanbe Base Surge Deposits

Tephra
Pleistocene (29, 19 ka)

Lithofacies: Base surge deposits
Lithofacies: Biotite rhyolite pumice, Volcanic ash

Shimane pref.
[ Upper ]
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Sanbe Fall Deposits
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Sanbe Pyroclastic Flow Deposits
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Sanbe Base Surge Deposits
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[ Lower ]

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

Distribution: Shimane pref.

Kano et al. (1998) Geology of the Iwami-Oda and Oura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)