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Posted by Aidan Karley on June 19, 2006, 7:32 pm
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wrote:
> That diamonds form in mantle-derived host
> rocks is not disputed.
>
> http://sajg.geoscienceworld.org/cgi/content/abstract/107/1-2/91
>
Jeff Harris *still* working on diamonds? I thought he'd be
retired years ago.
--
Aidan Karley, FGS
Aberdeen, Scotland
Written at Tue, 20 Jun 2006 00:31 +0100, but posted later.
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Posted by George on June 19, 2006, 9:45 pm
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wrote in message
> wrote:
>> That diamonds form in mantle-derived host
>> rocks is not disputed.
>>
>> http://sajg.geoscienceworld.org/cgi/content/abstract/107/1-2/91
>>
> Jeff Harris *still* working on diamonds? I thought he'd be
> retired years ago.
>
> --
> Aidan Karley, FGS
> Aberdeen, Scotland
> Written at Tue, 20 Jun 2006 00:31 +0100, but posted later.
If he's like my retired paleontology professor, he's still cranking out the
papers.
George
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Posted by Aidan Karley on June 20, 2006, 5:56 am
Please log in for more thread options > If he's like my retired paleontology professor, he's still cranking out the
> papers.
>
Probably. Old paleontologists don't stop publishing - they just slowly
fossilize. Or something like that.
--
Aidan Karley, FGS
Aberdeen, Scotland
Written at Tue, 20 Jun 2006 10:51 +0100, but posted later.
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Posted by George on June 20, 2006, 8:23 am
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wrote in message
> wrote:
>> If he's like my retired paleontology professor, he's still cranking out
>> the
>> papers.
>>
> Probably. Old paleontologists don't stop publishing - they just
> slowly
> fossilize. Or something like that.
> --
> Aidan Karley, FGS
> Aberdeen, Scotland
> Written at Tue, 20 Jun 2006 10:51 +0100, but posted later.
Sounds just about right. lol
George
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Posted by John Curtis on June 21, 2006, 10:02 am
Please log in for more thread options George wrote:
> That diamonds form in mantle-derived host
> rocks is not disputed.
> http://sajg.geoscienceworld.org/cgi/content/abstract/107/1-2/91
>
Nitrogen is present in over 98% of diamonds:
http://rruff.geo.arizona.edu/doclib/am/vol70/AM70_344.pdf
Perhaps, atmospheric nitrogen (N2 or NH3) served as the
initial medium-host for the formation of diamonds.
The diamonds continued to grow after they fell on the
primitive surfaces of cratons, thus acquiring the
mantle-derived inclusions.
http://www.abc.net.au/science/news/stories/s57438.htm
John Curtis
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