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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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Robert Smart   
Geography: 
Coordinates:Unknown.

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

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