Dainichi Sandstone

Coherent formation
early Pliocene

Sedimentary facies: Marine
Sedimentary facies: Forearc basin (Sagara-Kakegawa Basin) deposit
Lithofacies: Sands

Thickness: ca. 40 m
Lower limit: Unconformity (Kurami Group, Ieda Group, Mikura Group)

Kakegawa Group (Kakegawa, Shizuoka pref.)
[ Upper ]
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Dainichi Sandstone
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[ Lower ]

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

Distribution: Shizuoka pref.
Tephra: Hotta Tuff

Saito and Isomi (1954) Akihasan, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 34p. (in Japanese with English abstract 10p.)