Re: shelldates (was Early diets)

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In article <2qgjn6$qge@samba.oit.unc.edu> David.Bibb@launchpad.unc.edu
(David Darryl Bibb) writes:

>Many thanks for the information. I rather thought there would have to be
>some problems involved with such dating. I assume fresh water shellfood
>would not suffer from the same problem?

I don't know for sure but I suspect that there might be some sort of effect
perhaps not as great as for sea water. The source of the water would have
some role - if the lake, river etc was fed by an ancient aquifer then
probably there would be some problem....Discrepancies in dates on carbonates
in general are a phenomenon - ostrich eggshell for instance seems to produce
dates which differ from allied charcoal ones by regrettably varied amounts.

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