302 datasets found

Abundance is characterized by VA= very abundant; C= common; F= few; R= rare; B= barren, EB= essentially barren. For preservation. P= poor; M= moderate; G= good, E= etched; O=...

Abundances :F (frequent), for one specimen per one to ten fields of view; R (rare), for one specimen per eleven to twenty fields of view and VR (very rare), one specimen in more...