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Martian Meteorites | Lunar Rocks | HED Group | PAC Group | Carbonaceous Chondrites | Rare Chondrites Last Updated: 7 May 2018

CO Group

The meteorites of this group are named for their type specimen Ornans that fell in France in 1868 - by that, not far from our home in the French department Doubs. There are only about 25 members of this group if we don't count all the probable pairings - especially from the Dar al Gani region, Libya, where many COs have been found. It's more than probable that all Dar al Gani COs arrived in one or two distinct falls.

All members of this group of carbonaceous chondrites belong to the petrologic type 3, and they show a certain relation to the CV group when it comes to chemistry and composition. Therefore, many researchers suppose that the CV and the CO group represent a distinct clan of carbonaceous chondrites that formed in the same region of the early solar system. However, the conditions under which the COs formed must have been different from the conditions under which the CVs formed because there are obvious differences.

Moss

CO3.6

Fell July 14, 2006, ~10:20 hrs in Norway

 

Moss -00

fragment with a tiny patch of crust

8.37gr

$2100

Moss -01

fragment

1.044gr

SOLD

Moss -02

fragment with suberb crust...

0.77gr

SOLD

Moss -03

fragment

0.848gr

$175

 

Chondrites for Sale :
>Carbonaceous Chondrites
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   > CO Group (Ornans Type)
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   > CK Group (Karoonda Type)
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   > CB Group (Bencubbinites)
   > CI1 Group (Ivuna Type)
>Ordinary chondrite
 
>H Group
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   >LL Group

> Rare Chondrites
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tektites and impact glass:
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