[meteorite-list] Ordinary chondrites - rarest to the most common classes

Carl 's carloselguapo1 at hotmail.com
Thu Dec 17 14:56:38 EST 2009


Hi Jeff,

I've been puzzled about what you said and perhaps I've misread or missed your comments. Why do you think the R chondrites should be included in the oc clan (rather than the carbonaceous)? I thought this was a very unique idea.


Thank you all for this interesting topic.

Carl



Jeff Grossman wrote:

>I didn't say they ARE included in the OCs... I 
said that I thought they should be. As far as I 
know, I am alone in this opinion...

and 

>...If we take a more expansive definition of "ordinary chondrite" than most of my rather
conservative colleagues are normally willing to accept, I would say that
the rarest group of OCs is the R chondrites (only ~100 are known and
many of those are paired).In addition, a number of unique ungrouped
meteorites are OC-like.But again, I don't know of any colleagues who
agree with me that R chondrites are in the OC class. [I would say that
the OC class has two clans, the H-L-LL clan and the R clan].



 		 	   		  
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