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Gombo Formation

• Accretionary complex
• Deposition (Chert): Triassic, Permian (Radiolarians, Conodonts)
• Jurassic

• Sedimentary facies: Marine
• Lithofacies: Basalt, Chert

• Lower limit: Transitional (Kohachigagawa Formation)

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

• Distribution: Gonbo, Takayama city, Gifu pref.
• Fossils (Chert): Radiolarians, Conodonts

• Yamada et al. (1985) Geology of the Takayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 9p.)