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Furuya Mud Bed Tsuchi, 1960
Invalid synonym: Furuya Formation, Kaigazawa Formation
- Type locality: Kaigazawa creek, Furuya river, Kikukawa city, Shizuoka prefecture
- Coherent formation
- Shimosueyoshi transgression deposit
- Pleistocene (Last Interglacial Period, Shimosueyoshi stage)
- Correlation: Kusanagi Mud Bed, Murakushi Sand Bed
- Sedimentary facies (Upper): Marine
- Sedimentary facies (Lower): Fluvial
- Sedimentary facies: Inner bay
- Climate (Upper): Warm and Dry
- Climate (Lower): relatively Cool (Plants)
- Lithofacies: Silt, Clay
- Lithofacies (Minor): Gravels, Sands
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Kaigazawa creek, Furuya river, Kikukawa city, Shizuoka pref.; Nishihara - Kamihiki - Nakatahara, Omaezaki city, Shizuoka pref.; Kasana - Mikurihara, Makinohara city, Shizuoka pref.
- Fossils: Elephants (Palaeoloxodon naumanni), Deers, Scylla serrata, Barnacles (Balanus albicostatus, Balanus reticulatus)
- Fossils (Shellfishes): Anadara granosa, Anadara nipponensis, Anadara satowi, Anomia lischkei, Arca arabica, Arca boucardi, Arca ocellata, Arcopagia diaphana, Astraea haematraga, Azorinus abbreviatus, Babylonia japonica, Barnea inornata, Barnea japonica, Batillaria multiformis, Batillaria zonalis, Batillus cornutus, Bittium glareosum, Brachidontes senhousia, Callista chinensis, Capulus ladius?, Cardita leana, Cerithidea djadjariensis, Cerithidea fluviatilis, Cerithium kochi, Chlamys farreri nipponensis, Contumax kobelti, Corbicula japonica, Costalynia costulata, Crassostrea gigas, Cryptomya busoensis, Cyclina orientalis, Dentalium octangulatum, Diplodonta japonica, Dosinia angulosa, Fabulina minuta, Gafrarium divaricatum, Glycymeris albolineata, Heteromacoma oyamai, Hinia festiva, Irus mitis, Kellia nipponica, Laternula flexuosa, Lutraria arcuata, Lutraria maxima, Macoma incongrua, Macoma praerupta, Macoma tokyoensis, Mitrella bicincta, Moerella iridescens, Monodonta labio, Nassarius livescens, Neverita didyma, Oblinopa forskalii, Olivella spreta, Omphalius rusticus, Paphia undulata, Parapholas quadrizonatus, Pecten laqueatus, Pitar lineolata, Placamen tiara, Polynices reiniana, Protothaca jedoensis, Protothaca schencki, Purpura browni, Pyramidella pulchella, Raeta yokohamensis, Rapana thomsiana, Ringicula doliaris, Saxidomus purpuratus, Semele cardiformis, Serpulorbis imbricatus, Siphonalia cassidariaeformis, Solen gouldi, Spondylus cruentus, Stomatella lyrata, Striarca oyamai, Striarca symmetrica, Striarca tenebrica, Tegula rustica, Tellina irridella, Tellinimactra edentula, Thais bronni, Theora lubrica, Tonna luteostoma, Trapezium japonicum, Tritia festiva, Turbo cornutus, Turbonilla dunkeri, Turris leucotropis, Umbonium costatum
- Fossils (Foraminifera): Ammonia beccari, Bulimina marginata, Elphidium advenum, Elphidium crspum, Elphidium subgranulosa, Elphidium subincertum, Globigerina bulloides, Globoquadrina dutertrei, Pseudononion japonicum, Quinqueloculina seminulum, Reussella pacifica, Valvulineria hamanakoensis
- Fossils (Ostracods): Alatacythere? sp., Ambocythere japonica, Aurila hataii, Aurila miii, Aurila tosaensis, Bairdia (Neonesidea) oligodentata, Bythoceratima hanaii, Callistocythere alata, Callistocythere minaminipponica, Callistocythere reticulata, Callistocythere undulalifacialis, Cushmanidea japonica, Cushmanidea miurensisCythere lutea omotenipponica, Cytheronorpha acupunctata, Cytherura furuyaensis, Echinocythereis bradyformis, Hemicytherura cuneata, Hemicytherura kajiyamai, Hemicytherura tricarinata, Leguminocythereis hodgii, Loxoconcha kattoi, Loxoconcha modesta, Loxoconcha pulchra, Loxoconiculum mutsuensis, Munseyella japonica, Murrayina? sp., Mulilus assimilus, Neomonoceratina delicata, Nipponocythere delicata, Paracyteridea sp., Paracytherois tosaensis, Paradoxostoma oblongum, Parakrithella pseudadonta, Pseudoaurila japonica, Schizocythere kishinouyei, Semicytherura miurensis, Semicytherura polygonoreliculata, Semicytherura quadrata, Spinileberis furuyaensis, Spinileberis quadriaculeata, Trachyleberis scabrocunneata, Xestolebris kanaii
- Fossils (Plants): Abies firma, Ajuga sp., Aleurites cordata, Alnus japonica, Aralia sp., Berberis sp., Berchemia sp., Carpinus cf. cordata, Carpinus laxiflora, Castanea crenata, Ceratophyllum demersum, Chamaecyparis pisifera, Clerodendrum trichotomum, Comellia japonica, Cornus brachypoda, Cyclobalanopsis sp., Eurya japonica, Fagara schinifolia, Fagus sp., Gleditsia japonica, Ilex cornuta, Juglans mandushurica, Juglans cf. sieboldiana var. sachalinensis, Magnolia kobus, Magnolia cf. obovata, Mallotus japonicus, Melia azedorachMeliosma sp., Ostrya japonica, Paliurus nipponicus?, Phellodendron amurense, Pinus sp., Potamogeton sp., Quercus (Lepidobalanus) sp., Sapindus mukurossi, Sapium sebiferum, Scirpus sp., Stephanandra sp., Stewartia sp., Styrax japonica, Styrax obassia, Syzygium buxifolium, Torreya nucifera, Trapa sp., Tsuga sp., Viburnum furcatum, Viburnum plicatum, Vitis sp., Wisteria floribunda, Zanthoxylum cf. piperitum, Zelkova sp.
- Fossils (Pollen): Abies sp., Acer sp., Aesculus sp., Alnus sp., Araliaceae, Artemisia sp., Betula sp., Buxus sp., Carduoideae, Carpinus-Ostrya sp., Castanea sp., Castanopsis sp., Celtis-Aphananthe sp., Cercidiphyllum sp., Chenopodiaceae, Cichorioideae, Corylus sp., Cyperaceae, Daphnipyllum sp., Elaeagnus sp., Ephedra sp., Euonymus sp., Fagus sp., Fraxinus sp., Gramineae, Hydrilla sp., Ilex sp., Juglans sp., Lagerstroemia sp., Leguminosae, Lrix-Pseudotsuga sp., Lycopodium sp., Monochoria sp., Orixa sp., Osmunda sp., Parthenocissus sp., Phellodendron sp., Picea sp., Pinus (Diploxylon) sp., Pinus (Haploxylon) sp., Polygonum sp., Pterocarya sp., Quercus (Cyclobalanopsis) sp., Quercus (Lepidobalanus) sp., Ranunculaceae, Reevesia sp., Rosaceae, Salix sp., Sapium sp., Sciadopitys sp., Sparganium sp., Styrax sp., Symplocos sp., Taxodiaceae, Tilia sp., Trapa sp., Tsuga sp., Typha sp., Ulmus-Zelkova sp., Umbelliferae, Viburum sp.,
- Sugiyama and Shimokawa (1990) Geology of the Shimizu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 103p. (in Japanese with English abstract 8p.)
- Sugiyama et al. (1988) Geology of the Omaezaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 153p. (in Japanese with English abstract 6p.)