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Minawa Unit
Synonym: Minawa Formation, Minoda Formation, Kamo Formation
- High P/T metamorphic rocks
- Protolith (Lower): Northern Shimanto Belt
- Deposition (Upper): Precambrian (1,820 Ma, ICP)
- Deposition (Lower): Late Cretaceous (93 - 81 Ma, U-Pb)
- Metamorphism (Upper): Early Cretaceous (120 - 110 Ma, 74 - 72 Ma, K-Ar)
- Metamorphism (Lower): Late Cretaceous - Paleocene (65 Ma, K-Ar)
- Correlation (Upper): Asemigawa Unit
- Correlation: Shirataki Mafic Schist
- Metamorphic facies: Chlorite
- Metamorphic facies: Blueschist facies, Epidote blueschist subfacies
- Sedimentary facies: Oceanic crust formed at Mid Ocean Ridge, Chert, Trench fill deposit
- Lithofacies: Pelitic schist, Psammitic schsit, Greenschsit, Siliceous schist
- Lithofacies (Minor): Serpentinite
- Upper limit: Thrust fault
- Lower limit: Oboke Fault
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Oboke valley - Iyagawa river - Umaji - Umaji - Satokawa river - Mount Tsunatsukiyama - Mount Gonomaruyama - Mount Tenjinyama - Kurohaze - Kakisako - Iuchi, Miyoshi city, Tokushima pref.; Keda, Higashimiyoshi city, Miyoshi county, Tokushima pref.
- Noda et al. (2021) Geology of the Ikeda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 150p. (in Japanese with English abstract 5p.)
- 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
- Aoki et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.5, pp.171-183 DOI