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Northwest Africa 14031
Basic information Name: Northwest Africa 14031
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14031
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 371 g
Classification
  history:
Recommended:  H/L4    [explanation]

This is 1 of 16 approved meteorites classified as H/L4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), H/L chondrites, H/L chondrites (type 4-7), L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 17 Jul 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14031 (NWA 14031)

(Northwest Africa)

Purchased: 2021 Mar

Classification: Ordinary chondrite (H/L4)

History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania, in March, 2021.

Physical characteristics: Dark-brownish rock without fusion crust.

Petrography: The meteorite shows a chondritic texture with well-formed mostly rounded chondrules with an apparent mean diameter of 394±206 µm (N=41) set in a reddish matrix with some metal, sulfides, and their respective alteration products.

Classification: Type 4 ordinary chondrite with Fa and Fs values as well as chondrule mean diameter intermediate between H and L.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Nouadhibou, Mauritania
Date:P 2021 Mar
Mass (g):371
Pieces:1
Class:H/L4
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):21.7±0.1 (n=12)
Ferrosilite (mol%):18.6±0.1 (n=10)
Wollastonite (mol%):1.4±0.1 (n=10)
Classifier:A. Greshake, MNB
Type spec mass (g):44.2
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. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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