Shimokanoya Mudstone Member

[ Top ] [ Japanese ]

Shimokanoya Mudstone Member

Coherent formation

Sedimentary facies: Marine
Lithofacies: Mudstone, Fine-grained sandstone

Thickness: 460 m or thicker
Upper limit: Unknown
Lower limit: Conformity

Atokura Formation
[ Upper ]
?--?--?--?--?-
Shimokanoya Mudstone Member
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Nakanokaya Conglomerate Member
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Miyamuro Sandstone and Mudstone Member
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Okuwahara Sandstone Member
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Atokura Conglomerate Member
~~~~~~~~~~~~~~
[ Lower ]

Atokura Nappe (Saitama pref.)
[ Upper ]
/--/--/--/--/-
Yorii Welded Tuff, Paleocene
/--/--/--/--/-
Yorii Formation, Late Cretaceous - Paleocene
/--/--/--/--/-
Atokura Formation, Late Cretaceous
/--/--/--/--/-
Kinshozan Quartz Diorite, Permian
/--/--/--/--/-
[ Lower ]

Atokura Nappe (Gunma pref.)
[ Upper ]
/--/--/--/--/-
Kotsutateyama Tuff, Paleocene
/--/--/--/--/-
Atokura Formation, Late Cretaceous
/--/--/--/--/-
Yotsumatayama Quartz Diorite, Early Cretaceous
/--/--/--/--/-
Kawaiyama Quartz Diorite, Permian
/--/--/--/--/-
[ Lower ]

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

Takagi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.7, pp.305-324, DOI