(Table 2) Mn/Ca and Nd/Ca ratios of planktonic foraminifera from sediment cor...

Measurement were done on mixed planktonic foraminifera containing both Globigerinoides ruber white and Orbulina universa, size fraction = 125-355 µm.本研究针对同时包含白色红拟抱球虫（Globigerinoides ruber white）与环球抱球虫（Orbulina universa）的混合浮游有孔虫样品开展了测试分析，所用样品的粒级范围为125-355 µm。