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Nakaumi Formation
Coherent formation
Holocene
Lower limit: Conformity? (
Yasugi Formation
)
Lower limit: Unconformity (
Daikonjima Basalt
,
Eshima Basalt
)
Distribution: Daikon island - Eshima island, Yatsuka village, Matsue city, Shimane pref.
Sawada et al. (2009) Jour. Geol. Soc. Japan, vol.115, Supplement, pp.51-70
DOI