Nannofossil abundance of Hole 25-245
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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)
相对丰度分级标准如下:D = 优势种(dominant),A = 丰盛种(abundant),C = 常见种(common),F = 少量种(few),R = 稀有种(rare),T = 痕迹种(trace),P = 存在种(present)(丰度数值以百分比表示)



