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鹿穴 凝灰質砂部層 奥村ほか, 1977

しゃあな

Shaana Member Okumura et al, 1977

別名 (無効): 大木根 軽石質砂層 (おおきね)

• 模式地: 神奈川県 横須賀市 鹿穴 (しゃあな) - 道場 (みちば)
• 整然層
• 後期 更新世

• 水温: 寒流
• 岩相: 凝灰質砂

• 層厚: 20 - 25 m

------ 整合, ~~~~~~ 不整合, ~~~--- 部分不整合, '''/,, 指交, :::::: 断層, /--/-- 衝上断層, +__+__ 地表, ?--?-- 不明

• 分布: 神奈川県 横須賀市 鹿穴 (しゃあな) - 道場 (みちば)
• 化石 (貝): Acesta goliath, Acila insignis, Acila minutoides, Acila mirabilis vigilia, Acmaea pallida, Adamnestia japonica, Ancilla hinomotoensis, Anomalocardia minuta, Anomia cytoeum, Arca boucardi miyatensis, Astarte hakodatensis, Benthindsia magnifica, Bittium binodulosum, Bittium yokosukense, Calyptrea yokoyamai, Cancellaria spengleriana, Cantharidus callichrous, Cantharidus hirasei, Cardita leana, Cardita nodulosa, Cardita toneana, Caryocorbula nipponica, Caryocorbula venusta, Cavolinia inflexa, Ceratostoma burnetti, Chama aspersa, Chama fragum, Chama retroversa, Chlamys farreri nipponensis, Chlamys jousseumei, Cingulina cingulata, Clathurella subauriformis, Clinocardium braunsi, Clinocardium californiense, Clio pyramidata, Crassatella nana, Crassatella oblongata, Crassostrea gigas, Crithe cotamago, Cryptonatic ajanthostomoidea, Cryptopecten sematensis, Cryptopecten vesiculosus, Cycladicama semiaperoides, Daphnella mitrellaformis, Decorifer delicatula, Decorifer insignis, Dentalium septentrionale, Diodra yokoyamai, Diplodonta usta, Dosinia sericea, Elaeocyma braunsi, Emarginula fragilis, Enida japonica, Ennucula cyrenoides, Ennucula nipponica, Epitonium sagamiense azumanum, Euchelus pauperculus, Fulgoraria kamakurensis, Fulvia mutica, Glossaulax didyma, Glossaulax reinlana, Glycymeris pilsbryi, Glycymeris vestita, Glycymeris yessoensis, Granata lyrata, Granulifusus makiyamai, Hiatella orientalis, Homalopoma amussitatum, Homalopoma granuliferum, Lachryma callosa, Lienardia fuscolineolata, Lima quantoensis, Limaria hakodatensis, Lima vulgatula, Lima zushiensis, Limatula vladivostokensis, Limopsis adamsiana, Limopsis crenata, Limopsis nipponica, Limopsis tokaiensis, Liralaria pygmaea, Lucinoma concentricum, Machaeroplx delicatus, Macoma incongrua, Macoma nipponica, Macoma tokyoensis, Mactra veneriformis, Mangelia tokunagai, Mercenaria stimpsoni, Mersca subtruncata, Microvoluta hondana, Mitrella bicincta, Mitrella burchardi, Monia umbonata, Myadora ikebei, Myadora japonica, Neadmete japonica, Nemocardium samarangae, Nuculana yokoyamai, Nucula tokyoensis, Olivella japonica, Ostrea denselamellose, Paradrillia patruelis, Parviconus tuberculosus, Patinopecten tokyoensis, Pecten albicans, Petricola mirabilis, Pillucina lamyi, Polynemamussium intuscossatum, Porterius dalli obliquatus, Potamocorbula amurensis, Propebela yokoyamai, Protothaca adamsi, Pyrunculus phiala, Puncturella nobilis, Pusia daedala, Pusia ernmae, Raeta pellicula, Ranella galea, Reticunassa spurca, Rhizorus cylindrellus, Ringicula driaris, Ruditapes philippinarum, Ruditapes variegatus kioroshiensis, Saxidonus purpurata, Semeangulus miyatensis, Septifer keeni, Serpulorbis imbricatus, Serpulorbis medusae, Siliquaria cumingii, Siphonalia fusoides, Siphonalia spadicea, Spisula sachalinensis, Striarca tenebrica, Strioterebra hedleyanum quadriaratum, Suchium costatum, Sulcomitrella bicinctella, Tonna luteostoma, Tresus keenae, Triphora conspersa, Tristichotrochus consors, Tritia japonica, Trophon candelabrum, Trophonopsis polycyma, Tsugali vadososinuata, Tucetonella munda, Turccia coreensis, Turritella nipponica miyata, Uberella yokoyamai, Venericardia ferruginea, Venericardia ferruginosa, Volutharca perryi, Zeuxis siquijorensis

• 江藤ほか (1998) 横須賀地域の地質, 地域地質研究報告 (5万分の1地質図幅), 地質調査所, 128p.