Shiroyama Complex

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Shiroyama Complex Matsuura et al., 1995

Type locality: Inukaigawa river, Toyono city, Toyono county, Osaka prefecture
Accretionary complex
Deposition: Jurassic
Correlation: Kuroi Complex, Ranzan Complex
Intruded by: Kenbi Granite

Sedimentary facies: Marine
Lithofacies: Mélange facies
Matrix: Shale
Exotic blocks (Crusts): Sandstone, Chert, Basalt lava, Basalt pyroclastic rocks

Thickness: ca. 2,000 m
Distribution (Width): 2 - 3 km
Upper limit: Unconformity (Rurikei Formation)

Tamba Belt (Toyono, Osaka pref.)
[ Upper ]
/--/--/--/--/-
Minoo Complex
/--/--/--/--/-
Shiroyama Complex
/--/--/--/--/-
[ Lower ]

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

Distribution: Inukaigawa river, Toyono city, Toyono county, Osaka pref.; Yamada, Nose city, Toyono county, Osaka pref.; Inagawa city, Kawabe county, Hyogo pref.; Kameoka city, Kyoto pref.
Fossils: Trilobites, Radiolarians

Matsuura et al. (1995) Geology of the Hirone District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 110p. (in Japanese with English abstract 6p.)