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Northwest Africa 15151
Basic information Name: Northwest Africa 15151
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15151
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 65.7 g
Classification
  history:
Recommended:  Ureilite    [explanation]

This is 1 of 610 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 19 Aug 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15151 (NWA 15151)

(Northwest Africa)

Purchased: 2021

Classification: Ureilite

History: The meteorite was purchased by Mr. Salamu Ali from a group of meteorites hunters in Nouadhibou, Mauritania in 2021 and donated to MNB.

Physical characteristics: Dark brownish fragment without fusion crust.

Petrography: Orthopyroxene-bearing ureilite showing a granular texture of up to 1 mm sized olivine and pyroxene grains. Both, olivine and pyroxene show pronounced reduced rims. Minor phases include graphite, troilite and altered metal.

Geochemistry: reduced rims in olivine: Fa0.6-1.6; olivine contains 0.49±0.02 wt% Cr2O3 and 0.27±0.01 wt% CaO; reduced rims in pyroxene: Fs1.7-3.5Wo1.2-2.8; pyroxene contains 0.84±0.03 wt% Cr2O3 and 1.07±0.03 wt% Al2O3

Classification: Ureilite (orthopyroxene-bearing)

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Nouadhibou, Mauritania
Date:P 2021
Mass (g):65.7
Pieces:1
Class:Ureilite
Shock stage:low
Weathering grade:moderate
Fayalite (mol%):10.6±0.2 (n=10)
Ferrosilite (mol%):9.4±0.1 (n=10)
Wollastonite (mol%):3.9±0.1 (n=10)
Classifier:A. Greshake, MNB
Type spec mass (g):65.7
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 8674 approved meteorites from (Northwest Africa) (plus 1882 unapproved names)

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