[Rockhounds] Another extinction impact-13 KYA

[Kreigh Tomaszewski]

The story is also up at the Washington Post
	http://www.washingtonpost.com/wp-dyn/content/article/2009/01/01/ 
AR2009010101490.html?hpid=topnews


On Friday, Jan 2, 2009, at 10:11 America/Detroit, J Bryan Kramer wrote:

> <
> http://www.nytimes.com/2009/01/02/science/ 
> 02impact.html?_r=2&partner=rss&emc=rss&pagewanted=all
>>
>
> I never heard of hexagonal diamonds, isn't that graphite's crystal
> structure?
>
> BK
> -- 
>
> ""It often seems to me that the night is much more alive and richly  
> colored
> than the day."
>
>                       Vincent van Gogh
> J Bryan Krämer
> North Florida, USA
> photos at:
> http://pbase.com/photoburner
>
>
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