C-14 dating

Rich Daniel (rwdaniel@dnaco.net)
Thu, 27 May 1999 19:08:15 -0400 (EDT)

> > >The only truly reliable methods of dating past events are carbon-14,
> > >dendrochronology and uranium series dating, but these are good only back
> > >to about 350.000 years.
> >
> >...carbon-14 dating only goes back to about 10,000 years....
> Hold off a sec in your rant. It seems perfectly okay to me to pick the
> oldest valid dating method of the three and characterize them by that one to
> establish the inability to date MORE than that. I'm sure he does indeed know
> c-14 is only good to 10k yrs back, but uranium series and dendrochronology
> allow dating much older.

Argh! I don't have a reference handy, but I'm reasonably certain that
C-14 works up to at least 50k years, and maybe 100k.

Rich Daniel rwdaniel@dnaco.net http://www.dnaco.net/~rwdaniel/