(Table 14) Miocene diatom biostratigraphy of ODP Hole 120-751A
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R = rare ( one specimen of a particular species encountered in 5-20 fields of view using a 40X objective and 10X ocular), F = frequent (one specimen in every 5 fields), C =...
R 代表稀有(rare):采用40倍物镜(40X objective)与10倍目镜(10X ocular)进行观测时,每5~20个视野内仅能观察到某一特定物种的1个标本;F 代表常见(frequent):每5个视野中可观察到1个标本;C = ...



