From: D. F. Siemens, Jr. (dfsiemensjr@juno.com)
Date: Thu Oct 02 2003 - 19:02:37 EDT
I did a quick search by Google on "Carbon 14." First, the ratio of
radio-carbon in contemporary living things is about 10^-12. This is the
100% level, approximately, for there are technicalities to the standard.
Measurement by the most advanced techniques gets down to a little more
than 1%, for an age of 40,000 years. Theoretically, the newest techniques
might get to 60K, but the practitioners say it doesn't work. In other
words, 0.1% is a full order of magnitude better than the best labs get.
Do you suppose it's artifactual?
Dave
On Wed, 01 Oct 2003 14:15:31 -0700 allenroy <allenroy@peoplepc.com>
writes:
> John W Burgeson wrote:
>
> > Page iii of that monograph has a graphic which renames C14 as
> "modern
> > carbon"
>
> The way I understand the graph is that it displays the amount of C14
> in some
> coal samples as a percent of modern carbon (meaning C12) . So 2
> samples (as
> indicated on the graph) had the C14/C12 ratio of 0.1 percent (0.1%).
> Or 1 C14
> atoms per 1000 C12 atoms -- 1 C14 / 1000 C12. That seems pretty
> straight
> forward to me.
>
> Allen
>
>
>
>
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