RE: Geological timescale

[Jeff Hecht <jeff@jeffhecht.com>]

At 8:28 AM -0400 5/14/04, Thomas R. Holtz, Jr. wrote:
> >  And the Vendian has been abandoned
> >  http://www.stratigraphy.org/prec.htm. :.-(
>
> That was a decision I had already heard about.  Bother.  I still prefer
> Vendian to Ediacaran.

Is there a reason why this Precambrian part of the geologic time 
scale does not appear in the pdf version?

And can anyone explain why a press release I just received says "The 
Ediacaran Period is the first new rung in the ladder of geological 
time
periods to be adopted in 120 years?" Is the Vendian being redefined, 
or scrapped?

__ Jeff Hecht