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Northwest Africa 13397
Basic information Name: Northwest Africa 13397
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13397
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 720 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 371 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 8 Aug 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13397 (NWA 13397)

Morocco

Find: 2019

Classification: Ordinary chondrite (LL3)

Petrography: (J. Gattacceca, CEREGE) Chondrite with well-delineated packed chondrules (average apparent diameter 940±430 μm, n=27). Opaques are Fe,Ni metal and troilite.

Geochemistry: Olivine Fa18.9±7.5, range Fa3.3-25.8, Fa PMD 35%, Cr2O3 0.33±0.07 (n=10). Low-Ca pyroxene Fs14.4±7.9Wo0.9±0.7 (n=6).

Classification: Ordinary chondrite (LL3). LL group based on chondrule size and magnetic susceptibility.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:2019
Mass (g):720
Pieces:1
Class:LL3
Weathering grade:W2
Fayalite (mol%):18.9±7.5 (n=10)
Ferrosilite (mol%):14.4±7.9 (n=6)
Wollastonite (mol%):0.9±0.7
Magnetic suscept.:4.37
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):22
Type spec location:CEREGE
Main mass:anonymous
Finder:anonymous
Comments:work name MZ38; 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1670 approved meteorites from Morocco (plus 23 unapproved names) (plus 1 impact crater)

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