竹ヶ鼻層

竹ヶ鼻層米山研究グループ, 1967

たけがはな

Takegahana Formation Yoneyama Research Group, 1967

別名 (無効): 竹内ほか (1996)は、須川層を含むと考えた。

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

分布: 新潟県上越市柿崎区竹ヶ鼻万蔵川 (まんぞうがわ)
化石: 珪藻
化石 (貝): Acila divaricata, Grycymeris yessoensis, Patinopecten sp., Serripes cf. makiyamai, Yoldia thranciaeformis
化石 (有孔虫): Buccella frigida, Buccella kuromatsunaiensis, Buliminella elegatissima, Elphidium advenum, Eptominella japonica, Martinottiella communis
化石 (花粉): Actinoptychus ochotensis, Actinoptychus octonarius, Actinoptychus senarius, Asteromphalus, Aulacoseira spp., Azpeitia nodulifera, Cocconeis curviritunda, Cocconeis scutellum, Cocconeis vitrea, Coscinodiscus marginatus, Coscinodiscus perforatus, Coscinodiscus radiatus, Cyclotella striata, Delphineis surirella, Denticulopsis praedimorpha var. minor, Diploneis bombus, Diploneis smithii, Grammatophora spp., Hemidiscus cuneiformis, Hyalodiscus obsoletus, Melosira scopos, Neodenticula kamtschatica, Neodenticula koizumii, Nitzschia fossilis, Nitzschia reinholdii, Odontella aurita, Paralia sulcata, Proboscia alata, Pseudopyxilla americana, Rhizosolenia hebetata f. hiemalis, Rhizosolenia styliformis, Rouxia californica, Simonseniella barboi, Stellarima microtrias, Stephanodiscus sp., Stephanopyxis dimorpha, Thalassionema nitzschioides, Thalassiosira antiqua, Thalassiosira convexa var. aspinosa, Thalassiosira gravida f. fossilis, Thalassiosira oestrupii, Thalassiosira trifulta, Thalassiothrix longissima
テフラ: 米山凝灰岩, 聖ヶ鼻凝灰岩