Re: The K-T boundary in Nanxiong

[Graydon <graydon@dsl.ca>]

On Fri, Jun 14, 2002 at 06:17:41AM -0700, James R. Cunningham sent:
> John Bois wrote:
> >  What range of megatonnage would leave no dino alive, yet leave mammals,
> > birds, crocs to carry on?
> 
> Don't you mean what range of teratonnage?

It could be done as megatonnage-per-area, like the atmospheric thermal
bloom commetary impact scenarios that got tossed around before Chixiculb
got found (and which sometimes get included as part of the 'lots of
stuff re-enters' scenarios.)

-- 
graydon@dsl.ca   |  Hige sceal þe heardra, heorte þe cenre,
                 |  mod sceal þe mare þe ure maegen lytlað.
                 |   -- Beorhtwold, "The Battle of Maldon"