Kikitsu Unit

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Kikitsu Unit Miyazaki, 2024

High P/T metamorphic rocks (ca. 450 degree C, 0.75 - 0.84 GPa)
Protolith: Late Cretaceous (ca. 105 Ma, K-Ar; 103 Ma, U-Pb)
Metamorphism: Late Cretaceous (ca. 83.8 Ma, K-Ar)
Correlation: Minawa Unit

Metamorphic facies: Garnet zone
Metamorphic facies: Albite-Epidote Amphibolite facies, Greenschist facies
Lithofacies: Pelitic schist, Mafic schist
Lithofacies (Minor): Siliceous schist, Serpentinite

Thickness: ca. 20 - 80 m
Distribution (Width): ca. 0.5 - 1 km
Upper limit: Thrust fault (Karasaki Mylonite)
Lower limit: Thrust fault (Iyo Unit)

Sanbagawa Metamorphic Rocks (western Ozu, Ehime pref.)
[ Upper ]
/--/--/--/--/-
Hijikawa Unit
/--/--/--/--/-
Mikabu Unit
/--/--/--/--/-
Ozu Unit
/--/--/--/--/-
Uchiko Unit
/--/--/--/--/-
Kikitsu Unit
/--/--/--/--/-
Iyo Unit
/--/--/--/--/-
[ Lower ]

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

Distribution: Kushu - Kikitsu - Hirobaya - Ikatagoshi,�|Tsurunokubitoge pass - Cape Muezaki - Gozegatoge pass - Mount Amagoiyama - Dojibaya - Kodabaya Ozu city, Ehime pref.

Miyazaki (2024) Geology of the Iyo-Nagahama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 155p. (in Japanese with English abstract 5p.)