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Senjodake Formation

• Accretionary complex
• Deposition: Cretaceous
• Accretion: Neogene

• Sedimentary facies: Marine
• Lithofacies: Sandstone, Sandstone-dominant interbedded sandstone and mudstone
• Lithofacies (Minor): Hyaloclastite, Pillow lava, Chert

• Thickness: ca. 2,100 - 2,300 m or thicker

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

• Distribution: Kamanashi river, Fujimi city, Suwa county, Nagano pref.; Todai river, Ina city, Nagnao pref.

• Tokiwa et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.7, pp.539-544 DOI
• Kawachi et al. (1983) Geology of the Ichinose District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 70p. (in Japanese with English abstract 6p.)