Takenoshima Interbeds of Sandstone and Mudstone Member

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Takenoshima Interbeds of Sandstone and Mudstone Member Matsuda and Mizuno, 1955

Type locality: Takenoshima, Tokiwa, Minobu city, Minamikoma county, Yamanashi prefecture
Coherent formation
late Miocene - Pliocene

Sedimentary facies: Marine
Depth of water: Lower bathyal
Lithofacies: Interbedded sandstone and mudstone
Lithofacies (Minor): Conglomerate
Sedimentary structures: Graded bedding, Slump structure, Flute cast

Thickness: 350 - 400 m
Upper limit: Conformity (Uenotaira Interbeds of Volcaniclastic Rocks, Conglomerate and Sandstone Member)

Shimobe Formation (North)
[ Upper ]
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Uenotaira Interbeds of Volcaniclastic Rocks, Conglomerate and Sandstone Member
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Takenoshima Interbeds of Sandstone and Mudstone Member
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[ Lower ]

Shimobe Formation (South)
[ Upper ]
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Koutsubuna Member
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Toinosawa Member
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[ Lower ]

Fujikawa Group (Eastern zone)
[ Upper ]
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Akebono Formation
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Minobu Formation
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Shimobe Formation
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[ Lower ]

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

Distribution: Shimobe - Tokiwa - Hadakajima - Yunooku - Onuta - Tsubakizori, Minobu city, Minamikoma county, Yamanashi pref.
Fossils: Plant fragments, Sponges (Makiyama sp.)

Ozaki and Sugiyama (2018) Geology of the Minobu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 169p. (in Japanese with English abstract 7p.)