Miyama Unit

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Miyama Unit Ueki and Sakai, 2007

Type locality: Miyama town, Hachioji city, Tokyo
Accretionary complex
Deposition: Cretaceous

Sedimentary facies: Marine
Lithofacies: Mélange facies
Matrix: Pelitic phyllite
Exotic blocks (Slabs): Sandstone, Interbedded sandstone and mudstone, Basaltic pyroclastic rocks

Upper limit: Unconformity (Yamada Formation, Ongata Formation, Kasumi Formation)

Kobotoke Group
[ Upper ]
/--/--/--/--/-
Miyama Unit
/--/--/--/--/-
Bonborigawa Unit
/--/--/--/--/-
Uzuhiki Unit
/--/--/--/--/-
Kosuge Unit
/--/--/--/--/-
Kobuse Unit
/--/--/--/--/-
[ Lower ]

Shimanto Belt (Sagamihara, Kanagawa pref).
[ Upper ]
/--/--/--/--/-
Kobotoke Group
/--/--/--/--/-
Sagamiko Group
/--/--/--/--/-
[ Lower ]

Shimanto Belt
[ Upper ]
/--/--/--/--/-
Northern Shimanto Belt
/--/--/--/--/-
Southern Shimanto Belt
?--?--?--?--?-
[ Lower ]

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

Distribution: Miyama town - Kawaguchi river - Nishiterakata town - Kamiichibugata town, Hachioji city, Tokyo; Bonborigawa river, Akiruno city, Tokyo

Ueki and Sakai (2007) Geology of the Ome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 189p. (in Japanese with English abstract 5p.)