Maiko Shell Bed

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Maiko Shell Bed

Coherent formation
middle Pleistocene

Sedimentary facies: Marine
Lithofacies: Sands

Lower limit: Unconformity (Kawanishi Clay)

Miki Formation
[ Upper ]
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Maiko Shell Bed
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[ Lower ]

Osaka Group (Miki, Hyogo pref.)
[ Upper ]
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Miki Formation
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Ono Formation
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[ Lower ]

Second Setouchi Supergroup (Osaka pref. - Hyogo pref.)
[ Upper ]
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Osaka Group
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[ Lower ]

[ Upper ]
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Second Setouchi Supergroup
?--?--?--?--?-
First Setouchi Supergroup
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[ Lower ]

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

Distribution: river mouth of Yamagawa river - river mouth of Asagirigawa - Shimizu town - Fukudagawa river, Kobe city, Hyogo pref.
Fossils (Shellfishes): Anadara subcrenata, Anomia lischkei, Arca boucordi, Barnea (Umitakea) dilatata japonica, Chlamys harimensis, Cinctiscala kamakuranum, Corbicula japonica sandaiformis, Crassostrea gigas, Cryptomya busoensis, Macoma incongrua, Mactra veneriformis, Mitrella bicincta, Mornia umbonata, Mytilus coruscus, Natica adamisiana, Ostrea denselamellosa, Papyriscala harimensis, Promantellum hirasei, Rapana thomasiana, Solen gouldi, Tegura (Chlorostoma) rustica, Tonna sp., Venerupis variegata kioroshiensis, Volachlamys yagurai

Huzita and Maeda (1984) Geology of the Suma District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 101p. (in Japanese with English abstract 7p.)