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Northwest Africa 15144
Basic information Name: Northwest Africa 15144
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15144
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 443 g
Classification
  history:
Recommended:  L4    [explanation]

This is 1 of 1999 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 23 Jul 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15144 (NWA 15144)

(Northwest Africa)

Purchased: 2022

Classification: Ordinary chondrite (L4)

History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania, in April, 2022.

Physical characteristics: Dark brownish fragment with some fusion crust.

Petrography: The meteorite shows a chondritic texture with well defined, partly flattened and partly packed chondrules (apparent mean diameter about 0.7 mm) set in a light brownish matrix with partly altered metal and sulfides. The meteorite contains shock melt veins.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Nouadhibou, Mauritania
Date:P 2022
Mass (g):443
Pieces:1
Class:L4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):22.7±0.4 (n=5)
Ferrosilite (mol%):19.5±0.5 (n=5)
Wollastonite (mol%):1.4±0.2 (n=5)
Classifier:A. Greshake, MNB
Type spec mass (g):29.7
Type spec location:MNB
Main mass:Salamu Ali
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8777 approved meteorites from (Northwest Africa) (plus 1879 unapproved names)

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