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Northwest Africa 15150
Basic information Name: Northwest Africa 15150
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15150
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 8.1 g
Classification
  history:
Recommended:  Ureilite    [explanation]

This is 1 of 613 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 19 Aug 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15150 (NWA 15150)

(Northwest Africa)

Purchased: 2022

Classification: Ureilite

History: The meteorite was purchased by Mr. Salamu Ali from a group of meteorites hunters in Nouadhibou, Mauritania in 2022 and donated to MNB.

Physical characteristics: Dark brownish fragment without fusion crust.

Petrography: The meteorite exhibits a protogranular texture of up to 0.7 mm mostly subrounded olivine and pigeonite crystals. Olivine displays characteristic reduced rims and the meteorite contains flaky graphite, troilite, and mostly altered kamacite.

Geochemistry: reduced rims in olivine: Fa1.6-3.6; olivine contains 0.51±0.03 wt% Cr2O3 and 0.33±0.02 wt% CaO; pigeonite contains 0.90±0.04 wt% Cr2O3 and 0.83±0.03 wt% Al2O3

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Nouadhibou, Mauritania
Date:P 2022
Mass (g):8.1
Pieces:1
Class:Ureilite
Shock stage:low
Weathering grade:moderate
Fayalite (mol%):8.4±0.1 (n=10)
Ferrosilite (mol%):7.7±0.2 (n=10)
Wollastonite (mol%):10.0±0.1 (n=10)
Classifier:A. Greshake, MNB
Type spec mass (g):8.1
Type spec location:MNB
Main mass:MNB
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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