Microfossil abundance of Hole 29-278
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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)
相对丰度分级规则如下:D对应优势种(dominant),A对应丰富种(abundant),C对应常见种(common),F对应少有种(few),R对应稀有种(rare),T对应痕量种(trace),P对应存在种(present);括号内标注说明:若采用数值形式表征丰度,则丰度值以百分比计。



