Meteoritical Bulletin: Entry for Northwest Africa 15151

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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: 65.7 g

Classification
history:

Meteoritical Bulletin:	MB 111	(2023)	Ureilite
Recommended:			Ureilite [explanation]

This is 1 of 660 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Comments:

Approved 19 Aug 2022

Writeup

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: Fa_0.6-1.6; olivine contains 0.49±0.02 wt% Cr₂O₃ and 0.27±0.01 wt% CaO; reduced rims in pyroxene: Fs_1.7-3.5Wo_1.2-2.8; 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 Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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