Nannofossil abundance of Hole 25-242
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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)分级规则:D为优势(dominant),A为丰盛(abundant),C为常见(common),F为稀少(few),R为稀有(rare),T为痕量(trace),P为存在(present)(数值以百分比形式表示丰度)



