W2

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W2

Type locality: Wabuka, Kushimoto city - Motogawa river, Kozagawa city, Higashimuro county, Wakayama prefecture
Accretionary complex
middle - late Eocene
Intruded by: Kozagawa Arculate Dike

Sedimentary facies: Marine
Lithofacies: Mudstone, Mudstone-dominant interbedded sandstone and mudstone
Lithofacies (Minor): Conglomerate, Gravel-bearing mudstone, Sandstone, Sandstone-dominant interbedded sandstone and mudstone
Sedimentary structures: Load structure

Thickness: ca. 850 - 1,100 m
Upper limit: Conformity (M1)

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: Wabuka - Shimoji - Satokawa - Hirami, Kushimoto city, Higashimuro county, Wakayama pref.; Mitogawa river - Kurozu - Utsuo - Tachiaigawa river, Kozagawa 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.)