Biometric study of Schizosphaerella, TOC, CaCO3 (Early Jurassic, Paris Basin)

Abundance and size changes in the calcareous nannofossil Schizosphaerella are investigated throughout the upper Sinemurian to lowermost Toarcian of the Sancerre-Couy core (Paris...

本研究针对桑塞尔-库伊岩心（Sancerre-Couy core，Paris...）中从上辛缪尔阶（upper Sinemurian）至最底部托阿尔阶（lowermost Toarcian）的地层，对裂球石属（Schizosphaerella）钙质超微化石（calcareous nannofossil）的丰度及个体大小变化进行了调查分析。