Tsujimori Mollusca Bed

Tsujimori Mollusca Bed Sakakura, 1935

Coherent formation
Fore-arc basin sediments (Kazusa trough)
Pleistocene

Lithofacies: Sandstone, Conglomerate

Umegase Formation
[ Upper ]
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Hosono Mollusca Bed
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Kaburai Mollusca Bed
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Tsujimori Mollusca Bed
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[ Lower ]

Kazusa Group (central Boso peninsula)
[ Upper ]
~~~~~~~~~~~~~~
Kasamori Formation / Kongochi Formation
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Mandano Formation
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Chonan Formation
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Ichijiku Formation
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Kakinokidai Formation
--------------
Kokumoto Formation
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Umegase Formation
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Otadai Formation
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Kiwada Formation
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Ohara Formation
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Namihana Formation
--------------
Katsuura Formation
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Kurotaki Formation
~~~~~~~~~~~~~~
[ Lower ]

Kazusa Group (western Boso peninsula)
[ Upper ]
~~~~~~~~~~~~~~
Kasamori Formation
--------------
Chonan Formation
--------------
Ichijiku Formation
--------------
Kokumoto Formation
--------------
Umegase Formation
--------------
Higashihigasa Formation
--------------
Otadai Formation
--------------
Kiwada Formation
--------------
Tomiya Formation
--------------
Kurotaki Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Chiba pref.
Fossils (Shellfishes): Chlamys vesiculosus, Glycymeris pilsbryi, Pecten naganumanus

Utsunomiya and Ooi (2019) Geology of the Kazusa-Ohara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 127p. (in Japanese with English abstract 4p.)