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Naegawa Dolerite

Dolerites in S3 are same age.

• Volcanic rocks
• Early Cretaceous

• Lithofacies: Sill (Sheet)
• Lithofacies: Dolerite

• Thickness: ca. 200 m

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

• Distribution: Hokkaido

• Takeshita et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.7, pp.491-515 DOI