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Hikata Unit

Invalid synonym: Hikata nappe

• Coherent formation
• Permian (Radiolarians)
• Intruded by: Rhyolite dike, Granite porphyry dike

• Lithofacies: Sandstone
• Lithofacies (Minor): Mudstone, Tuffaceous siliceous rocks

• Upper limit: Unconformity (Ryozen Formation)
• Lower limit: Thrust fault (Ultramafic Unit)

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

• Distribution: Notsuharu, Oita city, Oita pref.; Asaji, Bungo-ono city, Oita pref.

• Fujii et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.3, pp.127-140 DOI
• Takagi et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.1, pp.1-14 DOI