Nannofossil abundance of Hole 8-72
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Relative abundance: D = dominant, A = abundant, C = common, F = few, R = rare, T = trace, P = present (numerical values are abundance in percent)
相对丰度(Relative abundance)的分级标准如下:D为优势(dominant)、A为丰富(abundant)、C为常见(common)、F为少量(few)、R为稀有(rare)、T为痕量(trace)、P为存在(present);若以数值形式标注,则该数值为以百分比计量的丰度。



