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Taniyama Unit (Kumon, 1981) Hara et al., 2014

Invalid synonym: Taniyama Formation, lower Akamatsu Formation, Ukegamine Formation

• Type locality: Taniyama, Naka city, Naka county, Tokushima prefecture
• Accretionary complex
• Deposition (Chert): Early Cretaceous, Hauterivian - Albian (Radiolarians)
• Deposition (Mudstone): Late Cretaceous, Turonian - Santonian (Radiolarians)
• Deposition: Late Cretaceous

• Sedimentary facies: Marine
• Metamorphic facies: Prehnite-Pumpellyite facies
• Lithofacies: Coherent facies, Mélange facies
• Lithofacies (Minor): Broken facies
• Lithofacies: Sandstone, Interbedded sandstone and mudstone
• Exotic blocks (Crusts): Sandstone, Chert, Basalt lava, Volcaniclastic rocks
• Exotic blocks (Slabs): Sandstone, Interbedded sandstone and mudstone, Chert, Basalt lava, Volcaniclastic rocks

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

• Distribution: Mugi city, Kaifu county, Tokushima pref.; Nagayasuguchi dam - Taniyama - Makiyadani, Naga city, Naga county, Tokushima pref.; Nishikawa - Nakagawa - Higashikawa, Kaiyo city, Kaifu county, Tokushima pref.; Iokigawa river, Aki city, Kochi pref.
• Fossils (Radiolarians): Alievium cf. superbum, Diacanthocapsa brevithorax, Diacanthocapsa euganea, Dictyomitra multicostata, Eucyrtis micropora, Hemicryptocapsa prepolyhedra, Pseudoaulophacus putahensis, Pseudotheocampe urna (<= Artostrobium urna), Stichomitra stocki (<= Amphipyndax stocki), Thanarla conica

• Hara et al. (2014) Geology of the Kitagawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 72p. (in Japanese with English abstract 4p.)
• Kiminami and Toda (2007) Jour. Geol. Soc. Japan, vol.113, no.4, pp.158-167 DOI