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Northwest Africa 12552
Basic information Name: Northwest Africa 12552
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12552
Observed fall: No
Year found: 2019
Country: Mauritania
Mass:help 866 g
Classification
  history:
Recommended:  H6-melt breccia    [explanation]

This is 1 of 8 approved meteorites classified as H6-melt breccia.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 May 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12552 (NWA 12552)

Mauritania

Purchased: 2019 Jan

Classification: Ordinary chondrite (H6, melt breccia)

History: Purchased in Nouakchott in January 2019

Physical characteristics: 8 stones ranging from 45 to 209g.

Petrography: (J. Gattacceca, CEREGE) Highly shocked and partialy molten type 6 chondritic clasts containing fizzed metal and troilite grains set in a melt rock matrix containing abundant eutectic assemblages of sulfide and metal.

Classification: Ordinary chondrite (H6-melt breccia)

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

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Nouakchott (Mauritania)
Date:P 2019 Jan
Mass (g):866
Pieces:8
Class:H6-melt breccia
Weathering grade:W1
Fayalite (mol%):20.2 (n=2)
Ferrosilite (mol%):17.0±0.2 (n=3)
Wollastonite (mol%):1.3±0.1
Magnetic suscept.:5.37
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):24.25
Type spec location:CEREGE
Main mass:Fabien Kuntz
Comments:work name K397; 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:

Mauritania
Coordinates:Unknown.

Statistics:
     This is 1 of 100 approved meteorites from Mauritania (plus 1 unapproved name) (plus 2 impact craters)

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