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Northwest Africa 12553
Basic information Name: Northwest Africa 12553
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12553
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 241 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 503 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 15 May 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12553 (NWA 12553)

Morocco

Purchased: 2019 Jan

Classification: Carbonaceous chondrite (CV3)

Petrography: (J. Gattacceca, CEREGE) Chondrite with large chondrules (~mm) and CAIs set in an abundant fine-grined iron-rich matrix. Opaque minerals are Fe,Ni metal, sulfide, magnetite.

Geochemistry: Olivine 17.2±16.1 (n=6). Low-Ca pyroxene Fs4.4Wo3.4 (n=2). Defocused (10 µm) microprobe total in the matrix is 95.8% (n=2).

Classification: Carbonaceous chondrite (CV3)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Essaouira, Morocco
Date:P 2019 Jan
Mass (g):240.8
Pieces:1
Class:CV3
Fayalite (mol%):17.2±16.1 (n=6)
Ferrosilite (mol%):4.4 (n=2)
Wollastonite (mol%):3.4
Magnetic suscept.:3.38
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):23.05
Type spec location:CEREGE
Main mass:Fabien Kuntz
Comments:work name K398; 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)
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 1386 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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