Shirakuradani Mélange

Type locality: Shirakuradani valley, Ibigawa city, Ibi county, Gifu prefecture
Accretionary complex
Deposition (Limestone): Permian (Fusulinids)
Deposition (Chert): Triassic (Radiolarians)
Deposition (Siliceous mudstone): Middle Jurassic (Radiolarians)
Deposition (Mudstone): Middle Jurassic (Radiolarians)
Accretion: Middle Jurassic

Sedimentary facies: Marine
Lithofacies: Mélange facies
Matrix: Mudstone
Exotic blocks (Crusts): Sandstone, Chert, Siliceous mudstone

Funafuseyama Unit (Mount Funabuseyama)
[ Upper ]
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Funabuseyama rock mass
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Yokinzan Mélange
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Shirakuradani Mélange
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[ Lower ]

Mino Belt (Mino region)
[ Upper ]
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Yunoo Complex
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Imajo Complex
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Funafuseyama Unit
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Misogawa Complex = Kanayama Unit
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Yabuhara Complex
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[ Lower ]

Mino Belt (Mino, Gifu pref.)
[ Upper ]
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Sakamototoge Unit = Yunoo Complex
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Samondake Unit = Imajo Complex
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Kamiaso Unit
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Funafuseyama Unit
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Nabi Unit
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Kanayama Unit
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Kuze Unit = Kanayama Unit
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[ Lower ]

Mino Belt (Gifu pref. - Shiga pref.)
[ Upper ]
/--/--/--/--/-
Kashimagari Unit
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Samondake Unit
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Funafuseyama Unit
/--/--/--/--/-
Kuze Unit
/--/--/--/--/-
[ Lower ]

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

Distribution: Shirakuradani valley, Ibigawa city, Ibi county, Gifu pref.; Takaodani valley, Neo, Motosu city, Gifu pref.
Fossils (Mudstone, Radiolarians): Amphipyndas? sp., Archaeodictyomitra sp., Archicapsa sp., Canoptum sp., Cyrtocapsa mastaidea, Dictyomitrella? kamoensis, Emiluoia? sp., Eucyrtidiellum? unumaense, Hsuum sp., Napora sp., Pantanellium foveatum, Parahsuum sp., Paronaella sp., Saitoum sp., Spongocapsula? sp., Tricolocapsa? fusiformis, Tricolocapsa plicarum, Unuma echinatus, Zartus sp.

Wakita (1991) Geology of the Tanigumi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 53p. (in Japanese with English abstract 4p.)