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Tsurushi Formation

• Coherent formation
• Miocene?

• Sedimentary facies: Marine?
• Lithofacies: Shale

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

• Distribution: Sado city, Niigata pref.

• Ishida et al. (2012) Jour. Geol. Soc. Japan, vol.118, no.8, pp.476-492 DOI