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Asahiyama Shell Bed

• Coherent formation
• Pleistocene

• Sedimentary facies: Marine
• Water temperature: Cold ocean current
• Lithofacies: Sands

• Thickness: ca. 20 cm
• Lower limit: Unconformity (Himi Group)

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

• Distribution: Asahiyama park, Himi city, Ishikawa pref.
• Fossils (Shellfishes): Acar plicata, Acila divaricata, Acila minuta, Acteocina sp., Alaba vitrea, Arca navicularis, Arca ocellata, Astraea haematraga, Balcis sp., Barbatia lima, Barnea sp., Bedevina birileffi, Bittium alutaceum, Bittium glareosum, Botulina coralliophaga, Callista chinensis, Cantharidus callichroa, Cardita leana, Chama aspersa, Chrysollida sp., Clathrofenella reticulata, Clithon oualaniensis, Crassatellites nanus, Ctena delicatula, Diala sp., Dosinia sp., Fulvia hungerfordi, Guraleus tabatensis, Hiatella arctica orientalis, Hidatina sp., Iravadia annulata, Irus mitis, Joannisiella sp., Liloa porcellana, Macroshisma dilatata, Mangelia sp., Mitra sp., Mitralda nishiana, Nassarius caelatus, Nassarius festivus, Natica rufiabris, Odostomia fujitanii, Papyridia mutica, Pecten albicans, Phenacovolvula artiaperta, Pholadidea sp., Pillucina pisidium, Polinices sp., Polystia leucotropis, Pseudoliota micans, Pygmaerota duplicata, Pyrene varians, Pyrunculus sp., Ringicula takeyamai, Rissoina laevicostulata, Saccella sp., Striarca symmetrica, Strombus japonicus, Terebra sp., Thericium kobelti, Trapedium sp., Triphora multigyrata, Truncacteocina sp., Turbonilla hiradokoensis, Volsella sp., Zafra pumila
• Fossils (Foraminifera): Angulogerina kokozuraensis, Baggina notoensis, Buccella frigida, Buccella makiyamae, Bulimina aculeata, Bulimina marginata, Buliminella elegantissima tenuis, Cancris cf. oblonga, Cassidulina californica, Cassidulina kasiwazakiensis, Cassidulina orientale, Cassidulina sagamiensis, Cassidulina subglobosa, Cassidulina subglobosa depressa, Cassidulina yabei, Cibicides lobatulus, Cibicides pseudoungerianus, Cibicides refulgens, Discopulvinulina hofkeri, Discopulvinulina orbicularis, Discopulvinulina stachi, Elphidium advenum, Elphidium advenum depressulum, Elphidium clavatum, Elphidium craticulatum, Elphidium crispum, Elphidium etigoense, Elphidium hughesi foraminosum, Elphidium cf. incertum, Elphidium jenseni, Elphidium subgranulosum, Fissurina cf. annectens, Gaudryina cf. robusta, Globigerina balconensis, Globigerina bulloides, Globigerina eggeri, Globigerina pachyderma, Guttulina orientalis, Guttulina yamazakii, Hanzawaia nipponica, Karreriella baccata japonica, Miliammina echigoensis, Nonion affine, Nonionella pulchella, Nonion japonicum, Nonion pompilioides, Polystomellina discorbinoides, Pseudononion japonicum, Pseudononion tredecum, Pseudopolymorphina ishikawaensis, Quinqueloculina subagglutinata, Reussella pacifica, Rotalia japonica, Sigmoilina schlumbergeri, Textularia articulata, Textularia secasensis, Uvigerina akitaensis
• Fossils (Boring shells): Barnea sp., Pholadidea sp.

• Imai et al. (1966) Geology of the Ochigata and Abugashima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 67p. (in Japanese with English abstract 4p.)