半蔵金層

半蔵金層小林ほか, 1991

はんぞうがね

Hanzogane Formation Kobayashi et al., 1991

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

分布: 新潟県栃尾市半蔵金西谷川 (にしたにがわ)
化石 (有孔虫): Bulimina cf. striata, Cibicides cf. pseudoungerianus, Cibicides cf. ungerianus, Cribrostomoides cf. subglobosum, Ellipsonodosaria sp., Elphidium sp., Fursenkoina complanata, Globigerina praebulloides, Globigerinoides trilobus, Globoquadrina altispira, Globorotalia peripheroacuta, Globorotalia peripheroronda, Globorotalia quinifalcata, Globorotalia scitula praescitula, Globorotalia siakensis, Gyroidina orbicularis, Hopkinsina sinboi, Lagena sp., Lenticulina sp., Martinottiella communis, Melonis pacificum, Melonis cf. pompilioides, Nonionellina labradorina, Planulina sp., Pullenia bulloides, Pullenia cf. salisburyi, Sigmoilopsis schlumbergeri, Sphaeroidina bulloides, Sphaeroidinellopsis seminulina, Uvigerina sp., Valvulineria glabra
化石 (石灰質ナンノ化石): Calcidiscus leptoporus, Calcidiscus macintyrei, Calcidiscus premacintyrei, Coccolithus miopelagicus, Coccolithus pelagicus, Cyclicargolithus floridanus, Dictyococcites antarcticus, Discoaster variabilis, Discolithina multipora, Helicosphaera carteri, Reticulofenestra gelida, Reticulofenestra pseudoumbilica, Sphenolithus abies, Sphenolithus moriformis