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(Table 2) Stratigraphic distribution and relative abundances of selected diat...
Species abundance: R = rare; S = sparse; F = frequent; C = common; A = abundant; lower-case abundance designators are interpreted as reworked occurrences. -
(Table 4) Range chart of relative abundances of selected diatoms and silicofl...
Species abundances: X = very rare (only one observed specimen); R = rare (several specimens/slide); S = sparse (one specimen/20 fields of view); F = frequent (one specimen/10...
