Re: Oil industry training

[bivalve@xxxxxxxxxxxxx (David Campbell)]

>1) What is the level of confidence in the correlation between the various
>standard zonation schemes used to construct a time framework?. e.g.
>correlation of standard planktonic foraminifera zonations to the calcareous
>nannofossil zonations in the Tertiary. I was constantly faced with
>mis-matches between the published correlations and the data I was receiving
>from consultants. Tertiary carbonates are one of the worlds most prolific
>reservoirs therefore what are the current thoughts on the correlation
>between the planktonic foraminiferal zonation and the larger foraminiferal
>zonations?.
Conflicting foram and nanno zones are also reported from the Eocene
limestones of North and South Carolina.  In the Pliocene, even the
conventional lithostratigraphy is wrong, as the stratotype "Bear Bluff
Formation" is older than the formations which underlie the "Bear Bluff" of
literature.

David Campbell   "old seashells"
Department of Geology
CB 3315 Mitchell Hall
University of North Carolina at Chapel Hill
Chapel Hill NC 27599-3315
bivalve@email.unc.edu