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单词 nannofossil
释义

nannofossil

/ˈnanəʊˌfɒs(ə)l / /ˈnanəʊˌfɒsɪl/
(also nanofossil)
noun
The fossil of a minute planktonic organism, especially a calcareous unicellular alga.This paper presents high-resolution data from calcareous nannofossils, planktic Foraminifera, palynomorphs and stable isotopes for the Late Albian OAE Id....
  • In the seas, the calcareous nannofossils were still in evidence but in shallow waters the benthonic nummulite and other larger foraminifera became very abundant.
  • The same samples as used for geochemistry were investigated for their content of calcareous nannofossils.

Origin

1960s: from nannoplankton (variant of nanoplankton) + fossil.

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更新时间:2024/11/12 10:18:26