Enokibatake Formation

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Enokibatake Formation

Type locality: Enokibatake, Kamogawa city, Chiba prefecture
Coherent formation
Correlation: Shimanto Belt

Sedimentary facies: Marine
Sedimentary facies: Terrigenous clastic rocks
Lithofacies (Upper): Sandstone
Lithofacies: Sandstone-dominant interbedded sandstone and mudstone
Sedimentary structures: Graded bedding

Thickness: ca. 200 m
Upper limit: Conformity (Nagime Formation)
Lower limit: Conformity (Hatcho Formation)

Mineoka Group
[ Upper ]
::::::::::::::
Nagime Formation
--------------
Enokibatake Formation
--------------
Hatcho Formation
--------------
Shirataki Formation
--------------
Sanno Formation
?--?--?--?--?-
[ Lower ]

Mineoka Belt (Boso peninsula)
[ Upper ]
~~~~~~~~~~~~~~
Awa Group / Minamiboso Group
~~~~~~~~~~~~~~
Hota Group
::::::::::::::
Mineoka Group
?--?--?--?--?-
[ Lower ]

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

Distribution: Enokibatake - Mineokaasama - Fukiahra, Kamogawa city, Chiba pref.

Takahashi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.8, pp.375-395, DOI
Nakajima et al. (1981) Geology of the Kamogawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 107p. (in Japanese with English abstract 7p.)