Nashidaira Formation

Coherent formation
Inland basin-fill deposit
Pliocene

Lithofacies:

Upper limit: Bottom of welded tuff bed
Upper limit: Conformity (Okui Formation)
Lower limit: Conformity (Ogawa Formation)

Komoro Group
[ Upper ]
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Uryuzaka Formation
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Nunobiki Formation
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Okui Formation
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Nashidaira Formation
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[ Lower ]

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

Distribution: Nagano pref.

Kawachi and Aramaki (1979) Geology of the Komoro District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 39p. (in Japanese with English abstract 2p.)