Nannofossil abundance of Hole 66-486
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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):D=优势种(dominant),A=丰富种(abundant),C=常见种(common),F=偶见种(few),R=稀有种(rare),T=痕量种(trace),P=存在(present)(数值为以百分比计的丰度)



