中印度洋海盆南部中新世以来碳酸盐补偿深度的演变：来自微体化石组合和元素地球化学的证据

刘振尤,葛晨东,石学法,邹欣庆,纪振强,鲍洋,黄牧

CCD evolution since the Miocene: Evidence from nannofossils assemblage and element geochemistry in the south part of Central Indian Ocean Basin

Zhenyou Liu,Chendong Ge,Xuefa Shi,Xinqing Zou,Zhenqiang Ji,Yang Bao,Mu Huang

图3 中印度洋海盆GC18孔微体化石组合 （A~C）有孔虫(0~2 cm)；（D）Ceratolithus cristatus，具冠毛角石藻(0~2 cm)；（E）Calcidiscus leptoporus，弱脐钙盘藻(0~2 cm)；（F）Discoaster deflandrei，德佛兰盘星石藻(160~162 cm)；（G,H）Discoaster deflandrei，德佛兰盘星石藻(170~172 cm)；（I,J）Discoaster deflandrei，德佛兰盘星石藻(310~312 cm)；（K~M）Umbilicosphaera jafari，贾法脐球藻(350~352 cm)； （N）Reticulofenestra pseudoumbilicus，假脐网窗藻(350~352 cm)；（O）Reticulofenestra pseudoumbilicus(右)和Discoaster deflandrei(左)，假脐网窗藻和德佛兰盘星石藻(350~352 cm)；（P）Umbilicosphaera rotula，轮形脐球藻(410~412 cm)

Fig.3 Nannofossils assemblage of core GC18 in Central Indian Ocean Basin