(Table 10) Eocene-Oligocene diatom biostratigraphy of ODP Hole 120-748B@en
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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 = common (one specimen in every field), A = abundant (more than one species in every field), X = present, - = absent
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2026-04-28
