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Oboke Unit

Invalid synonym: Oboke nappe

• High P/T metamorphic rocks
• Protolith: Middle - Southern Shimanto Belt
• Deposition: Late Cretaceous
• Correlation: Nakashichiban Unit, Nogami Unit, Misato Unit
• Correlation: Hiwasa Formation

• Metamorphic facies: Pumpellyite-Actinolite
• Lithofacies: Psammitic schist

• Upper limit: Thrust fault
• Lower limit: Thrust fault

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

• Distribution: Yamashiro town - Nishiiyayama, Miyoshi city, Tokushima pref.; Otoyo city, Nagaoka county, Kochi pref.

• Noda et al. (2017) Geology of the Kan-onji District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 96p. (in Japanese with English abstract 4p.)
• Aoya et al. (2017) Jour. Geol. Soc. Japan, vol.123, no.7, pp.491-514 DOI
• Takeshita et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.1, pp.53-56 DOI
• Otoh et al. (2010) Jour. Geol. Soc. Japan, vol.119, No.2, pp.333-346 DOI
• Okamoto et al. (2009) Jour. Geol. Soc. Japan, vol.115, Supplement, pp.37-49 DOI