(Table 9) Miocene 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 = common (one specimen in every field), A = abundant (more than one species in every field), X = present, - = absent ...

Bibliographic Details
Main Authors: Harwood, David M, Maruyama, Toshiaki
Format: Dataset
Language:English
Published: PANGAEA 1992
Subjects:
Online Access:https://dx.doi.org/10.1594/pangaea.728776
https://doi.pangaea.de/10.1594/PANGAEA.728776
Description
Summary: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 ...