(Figure 4) Distribution of late Paleocene calcareous nannofossils in ODP Hole...
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Sediment depth is given in mbsf. Species abundance: A = abundant (more than 1 specimen per field of view; 1250 X); C = common (at least 1 specimen in 10 fields of view); F =...
沉积物深度单位为海底以下米（meters below sea floor，mbsf）。物种丰度（species abundance）分级标准如下：A为丰富（1250倍放大条件下，单个视域内标本数量多于1个）；C为常见（每10个视域内至少出现1个标本）；F=……
