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Northwest Africa 12329
Basic information Name: Northwest Africa 12329
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12329
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 99.5 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 511 approved meteorites classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 12 Apr 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12329 (NWA 12329)

(Northwest Africa)

Purchased: May 2015

Classification: Carbonaceous chondrite (CO3)

History: Purchased in Erfoud by Pierre-Marie Pelé

Physical characteristics: Brown stone. Cut face reveals brownish interior with small chondrules

Petrography: Chondrules with average size 170 μm (n=19) set in fine grained matrix (47 vol%, from point counting n=143). Abundant metal.

Geochemistry: Olivine Fa15.4±16.4, PMD=101%, range Fa0.4-46.3 (n=12), Cr2O3 in ferroan olivine is 0.20±0.09 wt% (n=10). Low-ca pyroxene Fs3.0±1.4Wo1.0±0.1, range Fs1.6-4.3Wo0.9-1.1 (n=2). High-Ca pyroxene Fs1.22Wo52.4 (n=1)

Classification: Carbonaceous chondrite (CO3). Moderate weathering

Specimens: 21.5 g and a polished section at CEREGE. Main mass with Pierre-Marie Pelé

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P May 2015
Mass (g):99.49
Pieces:1
Class:CO3
Weathering grade:weak
Fayalite (mol%):15.4±16.4 (n=12)
Ferrosilite (mol%):2.4±1.4 (n=2)
Wollastonite (mol%):1.0±0.1
Magnetic suscept.:4.48
Classifier:L.K. Ruggiu and J. Gattacceca, CEREGE
Type spec mass (g):21.5
Type spec location:CEREGE
Main mass:Pierre-Marie Pelé
Comments:Work name COPM01; submitted by Lisa Krämer Ruggiu
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6709 approved meteorites from (Northwest Africa) (plus 2022 unapproved names)

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