Re: Antarctica moved too (was RE: Warm southern winters)

[Dann Pigdon <dannj@alphalink.com.au>]

"Williams, Tim" wrote:
> 
> I'm not at all surprised that most of Antarctica experienced warm weather
> back in the Crecaeous.  Just as Australia was in a different position back
> in the Cretaceous, so was Antarctica.  The continent of Antarctica had yet
> to occupy its current position straddling the South Pole.  According to one
> interpretation, back in the Early Cretaceous only about a third to a half of
> Antarctica resided within the current bounds of the Antarctic Circle (~66
> degrees lat. S).

Indeed. Look at one of my figures (based on published data):
http://www.alphalink.com.au/~dannj/ozcretac.gif
from http://www.alphalink.com.au/~dannj/ecenvir.htm

Most of Antarctica at that time was further from the South Pole than
southern Australia was.

-- 
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Dann Pigdon                   Australian Dinosaurs:
GIS / Archaeologist         http://www.geocities.com/dannsdinosaurs
Melbourne, Australia        http://www.alphalink.com.au/~dannj/
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