W1

[ Top ] [ Japanese ]

W1

Accretionary complex
middle - late Eocene

Sedimentary facies: Marine
Lithofacies: Sandstone, Sandstone-dominant interbedded sandstone and mudstone
Lithofacies (Minor): Conglomerate, Mudstone
Sedimentary structures: Flute marks, Groove marks, Wave ripples, Trace fossils

Thickness: 230 m or thicker

Wabuka Formation
[ Upper ]
--------------
W2
--------------
W1
/--/--/--/--/-
[ Lower ]

Muro Group (South)
[ Upper ]
/--/--/--/--/-
Shimotsuyu Formation
--------------
Mitogawa Formation
--------------
Wabuka Formation
/--/--/--/--/-
[ Lower ]

Shimanto Belt (Wakayama pref.)
[ Upper ]
/--/--/--/--/-
Koyasan Group = North Shimanto
/--/--/--/--/-
Hidakagawa Group = North Shimanto
/--/--/--/--/-
Nyunokawa Formation
/--/--/--/--/-
Otonashigawa Group
/--/--/--/--/-
Muro Group
/--/--/--/--/-
[ Lower ]

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

Distribution: Nishiji, Taiji city, Higashimuro county, Wakayama pref.

Tateishi et al. (1979) Geology of the Esumi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 65p. (in Japanese with English abstract 6p.)