Jizodo Mollusca Bed

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Jizodo Mollusca Bed

Coherent formation
Pleistocene

Climate: Subtropical (Fossils)
Water temperature: Warm ocean current

Jizodo Formation
[ Upper ]
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Tanbara Mollusca Bed
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Jizodo Mollusca Bed
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Izumiyatsu Member
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[ Lower ]

Shimosa Group (Boso peninsula)
[ Upper ]
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Joso Formation
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Kioroshi Formation
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Yokota Formation
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Kiyokawa Formation
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Kamiizumi Formation
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Yabu Formation
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Jizodo Formation
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[ Lower ]

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

Distribution: Jizodo, Kisarazu city, Chiba pref.
Fossils: Brachiopods, Corals, Bryozoans
Fossils (Shellfishes): Ancilla hinomotoensis, Glycymeris rotunda, Glycymeris yessoensis, Limopsis spp., Mactra sulcataria, Nemocardium samarangae, Pecten albicans, Siphonaria spp., Venericardia ferruginea
Fossils (Foraminifera): Pulleniatina obliquiloculata
Tephra: J3

Tokuhashi and Endo (1984) Geology of the Anesaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 6p.)