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Northwest Africa 12547
Basic information Name: Northwest Africa 12547
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12547
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 747 g
Classification
  history:
Recommended:  L3-melt breccia    [explanation]

This is 1 of 3 approved meteorites classified as L3-melt breccia.   [show all]
Search for other: L chondrites, L chondrites (type 3), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 15 May 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12547 (NWA 12547)

Morocco

Purchased: 2019 Jan

Classification: Ordinary chondrite (L3, melt breccia)

History: Purchased in Essaouira in January 2019

Petrography: (J. Gattacceca, CEREGE) Melt breccia with chondritic clasts supported by a melt rock matrix. Chondritic clasts are unequilibrated, matrix poor, metal rich. Chondrules average apparent size 830 μm (n=19).

Geochemistry: Olivine Fa10.7±9.4, Fa PMD 79%, range Fa0.7-25.5 (n=7), Cr2O3 0.09±0.08 wt% (n=6). Low-Ca pyroxene Fs12.3±7.9Wo1.1±1.5 (n=6).

Classification: Ordinary chondrite (L3-melt breccia). L group from magnetic susceptibility and chondrule size.

Specimens: Type specimen at CEREGE. 0.73 g at ULB. Main mass with Kuntz.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Essaouira (Morocco)
Date:P 2019 Jan
Mass (g):747
Pieces:1
Class:L3-melt breccia
Weathering grade:W1
Fayalite (mol%):10.7±9.4 (n=7)
Ferrosilite (mol%):12.3±7.9 (n=3)
Wollastonite (mol%):1.1±1.5
Magnetic suscept.:4.60
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):25.83
Type spec location:CEREGE
Main mass:Fabien Kuntz
Comments:work name K390; submitted by Jérôme Gattacceca
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)
Kuntz: Fabien Kuntz, France; Website (private address)
ULB: Université libre de Bruxelles Avenue Franklin Roosevelt 50 - 1050 Bruxelles, Belgium (institutional address; updated 27 Sep 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1366 approved meteorites from Morocco (plus 15 unapproved names) (plus 1 impact crater)

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