Re: Mega eruption may have wiped out [Cambrian] life

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

Here's the online abstract:

Linda M Glass, and David Phillips 2006. "The Kalkarindji continental
flood basalt province: A new Cambrian large igneous province in
Australia with possible links to faunal extinctions". Geology
34(6):461-464

http://geology.geoscienceworld.org/cgi/content/abstract/34/6/461


Dann Pigdon wrote:
> 
> http://www.abc.net.au/science/news/stories/s1671983.htm
> 
> Mega eruption may have wiped out life
> Larry O'Hanlon, Discovery News, Monday, 26 June 2006
> 
> Scattered rafts of black lava over northern and central Australia are
> really part of one gigantic volcanic field that appears to be one of
> oldest and largest on Earth, geologists believe.
> 
> If so, the half billion year old eruption might be the culprit in the
> first mass animal extinction event in the history of life.
> 
> Australian geologists used the chemical signatures of the far-flung
> basalt lava rocks and their ages to connect them to a single huge
> volcanic eruptive episode between 505 and 508 million years ago...
> 
> --
> ___________________________________________________________________
> 
> Dann Pigdon
> GIS / Archaeologist         http://heretichides.soffiles.com
> Melbourne, Australia        http://www.geocities.com/dannsdinosaurs
> ___________________________________________________________________

-- 
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Dann Pigdon
GIS / Archaeologist         http://heretichides.soffiles.com
Melbourne, Australia        http://www.geocities.com/dannsdinosaurs
___________________________________________________________________