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(Table 13) Pliocene-Pleistocene diatom biostratigraphy of ODP Hole 120-751A
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 =... -
(Table 8) Miocene-Pleistocene diatom biostratigraphy of ODP Hole 120-748B
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 =...