Meteoritical Bulletin: Entry for Northwest Africa 15150

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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: 8.1 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 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: Fa_1.6-3.6; 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 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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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