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Northwest Africa 16391
Basic information Name: Northwest Africa 16391
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16391
Observed fall: No
Year found: 2022
Country: Algeria
Mass:help 26 g
Classification
  history:
Recommended:  LL7    [explanation]

This is 1 of 100 approved meteorites classified as LL7.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 30 Mar 2024
Writeuphelp
Writeup from MB 113:

Northwest Africa 16391 (NWA 16391)

Algeria

Find: 2021

Classification: Ordinary chondrite (LL7)

Petrography: (J. Gattacceca, CEREGE) Highly recrystallized chondrite with triple junctions. One relict chondrule was observed in the studied polished section.

Geochemistry: Olivine Fa31.4 (n=1). Orthopyroxene Fs24.9±0.3Wo2.0±0.2. Ca-pyroxene Fs10.5Wo44.1 (n=1).

Classification: ordinary chondrite (LL7). Type 7 based on texture and Wo content of orthopyroxene

Specimens: Type specimen at CEREGE, main mass with with José Garcia

Data from:
  MB113
  Table 0
  Line 0:
Date:2021
Mass (g):26
Pieces:1
Class:LL7
Weathering grade:W4
Fayalite (mol%):31.4 (n=1)
Ferrosilite (mol%):24.9±0.3 (n=4)
Wollastonite (mol%):2.0±0.2
Magnetic suscept.:2.89
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):5.55
Type spec location:CEREGE
Main mass:Jose Garcia
Finder:anonymous
Comments:work name CA46; submitted by Jerome 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 10 Jun 2023)
Catalogs:
References: Published in Meteoritical Bulletin, no. 113, in preparation (2024)
Find references in NASA ADS:
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Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1356 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)

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