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Shinzan Diatomaceous Mudstone Member
Siliceous rock-dominant facies. It is not admitted as a member now.
- Type locality: Kamishinzan, Oga city, Akita prefecture
- Coherent formation
- middle - late Miocene (ca. 10.0 - ? Ma)
- Contemporaneous heterotopic facies: Hirasawa Diatomaceous Mudstone Member
- Sedimentary facies: Marine
- Lithofacies: Diatomaceous mudstone
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Kamishinzan, Oga city, Akita pref.
- Fossils: Diatoms
- Kano et al. (2011) Geology of the Toga and Funakawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 127p. (in Japanese with English abstract 4p.)
- Fujimoto et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.51-74 DOI