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NWA 6063

Found Sahara, 2009

Carbonaceous Chondrite

Ornans Type : CO3

Slice of 1.51g

TKW 129.3g

 

Classification : Ansgar Greshake, MNHN-Berlin, the matrix looks-like the more recent find of the Kainsaz CO3 meteorite fall (Russia 1937).

 

Carbonaceous chondrites, or C chondrites, are a class of chondritic meteorites comprising at least 7 known groups and many ungrouped meteorites. They include some of the most primitive known meteorites and represent only a small proportion (4.6%) of meteorite falls. These are named after a prominent meteorite—often the first to be discovered—in the group. For CO3, the small town of Ornans (famous for the painter Gustave Courbet), in France (not far from my home in the French department Doubs!).

CO3 meteorite can contain organic compounds such as simple formic and acetic acid, to much complex as alpha-amino acid, adenine and guanine (the "G" and the "A" in the basic DNA code made of guanine (G), adenine (A), thymine (T), and cytosine (C))... all common in any lifeform! With an other small chondrules carbonaceous chondrite group, CO3 are sometimes considered as come from a comet.

Name: NWA 6063
Fieldname: K-144
Origin/pseudonym:
Purchased: Erfoud, Morocco
Purchase or find date: 2009
Lat/long: ,
Mass: 129.3
Pieces: 1
Specimens: 21
Description: CO3
Info: MNB; Kuntz; A. Greshake (MNB)
Name assigned to: Ansgar Greshake
Date assigned: 2010-01-21
Assigned by: C. Smith

3560元台幣



 
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