Nannofossil abundance of Hole 4-28
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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代表优势(dominant),A代表丰富(abundant),C代表常见,F代表稀少,R代表稀有,T代表痕量,P代表存在(数值以百分比表示丰度)



