Kawanori Unit

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Kawanori Unit (Takaoka, 1953) Hara et al., 2010

Invalid synonym: Kawanori Formation, Kowaishi Formation

Type locality: Kawanori valley, Okutama city, Nishitama county, Tokyo
Accretionary complex
Deposition (Shale): Middle - Late Jurassic (Radiolarians)
Accretion: Middle - Late Jurassic
Correlation: Ohirayama Unit, Fukazawa Unit
Correlation (Limestone): Torinosu Group

Sedimentary facies: Marine
Metamorphic facies: Greenschist
Lithofacies: Mélange facies
Lithofacies (Minor): Sandstone, Basaltic lava, Volcaniclastic rocks, Chert, Limestone
Matrix: Shale
Exotic blocks (Crusts): Basaltic rocks, Sandstone, Limestone

Lower limit: Thrust fault (Unazawa Unit, Gozenyama Unit)

Urayama Group
[ Upper ]
/--/--/--/--/-
Kawanori Unit = Ohirayama Unit
/--/--/--/--/-
Unazawa Unit = Togano Unit
/--/--/--/--/-
Hikawa Unit
/--/--/--/--/-
Gozenyama Unit = Sanbosan Unit
/--/--/--/--/-
[ Lower ]

Southern Chichibu Belt (Mitsumine, Saitama pref.)
[ Upper ]
/--/--/--/--/-
Nakatsugawa Group
/--/--/--/--/-
Urayama Group
/--/--/--/--/-
[ Lower ]

Chichibu Belt
[ Upper ]
/--/--/--/--/-
Kurosegawa Belt
/--/--/--/--/-
Northern Chichibu Belt
/--/--/--/--/-
Southern Chichibu Belt
/--/--/--/--/-
[ Lower ]

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

Distribution: Kawanori valley, Okutama city, Nishitama county, Tokyo; Mount Kumakur - Yatsugawa river, Chichibu city, Saitama pref.
Fossils (Limestone): Doliolina sp., Glomospira cf. pusilla, Hemigordius sp., Nagatoella sp., Parafusulina japonica, Schwagerina sp., Staffella sp., Textularia sp.
Fosslis (Chert): Neogondolella sp.

Hara et al. (2010) Geology of the Mitsumine District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 110p. (in Japanese with English abstract 4p.)