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Noda Group

• Coherent formation
• early Oligocene

• Sedimentary facies: Non-marine
• Sedimentary facies (Minor): Seashore
• Lithofacies: Basal conglomerate
• Lithofacies (Minor): Sandstone, Mudstone, Tuff, Shale, Coal

• Thickness: 350 m
• Upper limit: Unconformity (Kadonosawa Formation, Hirono Formation)
• Lower limit: Parallel unconformity (Kuji Group)

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

• Distribution: Iwate pref.
• Fossils: Plants

• Umetsu et al. (2013) Jour. Geol. Soc. Japan, vol.119, Supplement, pp.82-95 DOI
• Yoshida et al. (1987) Geology of the Rikuchu-Ono District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 70p. (in Japanese with English abstract 6p.)
• Shimazu and Teraoka (1962) Rikuchu-Noda, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 53p. (in Japanese with English abstract 11p.)