(Table 3) Stratigraphic distribution of calcareous nannofossils from DSDP Hole 27-261
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species abundance: A = abundant (>100 specimens), C = common (11-100 specimens), F = few (3-10 specimens), R = rare (1-2 specimens), ? = questionable, - = abundant, counting was performed using the light microscope over 200 fields of view
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Bown, Paul R创建时间：
2009-01-01
