Sediment depth is given in mbsf. Species abundance estimates as follows: A = abundant, F = few, R = rare, + = single specimen, - = searched for but not found, and ? = dubious...

B2FIND80

(Table 1) Sample levels of diatom and silicoflagellate datums at DSDP Holes 6...

海洋微体古生物学

生物地层学

A standard biostratigraphic system, based upon diatom datum levels previously correlated to the paleomagnetic record, was applied to Deep Sea Drilling Project Sites 501/504 and...

B2FIND60

Diatom abundance of Hole 31-298A

硅藻丰度统计

海洋微体古生物学

Relative abundance: D = dominant, A = abundant, C = common, F = few, R = rare, T = trace, P = present (numerical values are abundance in percent)

B2FIND40