Meteoritical Bulletin: Entry for Northwest Africa 5379

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Northwest Africa 5379

Basic information

Name: Northwest Africa 5379
This is an OFFICIAL meteorite name.
Abbreviation: NWA 5379
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass: 6.1 g

Classification
history:

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

This is 1 of 51 approved meteorites classified as Angrite. [show all]
Search for other: Achondrites, Angrites

Comments:

Approved 26 Mar 2022

Writeup

Writeup from MB 111:

Northwest Africa 5379 (NWA 5379)

(Northwest Africa)

Purchased: 2008

Classification: Angrite

History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco.

Physical characteristics: Small dark grayish rock without fusion crust.

Petrography: The meteorite shows a protogranular texture predominantly composed of 50 to 600 µm sized Al-Ti diopside with less abundant Ca-bearing olivine, anorthite, and spinel. Spinel often poikilitically encloses rounded to subrounded pyroxene and olivine. Accessories include merrillite, kamacite, and troilite.

Geochemistry: olivine: Fa_43.4±0.2(Fa_43.1-43.8, CaO = 1.42±0.04 wt%, FeO/MnO=78±4, n=10); Al-Ti augite: Fs_11.6±0.3Wo_54.8±0.3(Fs_11.1-11.9Wo_54.2-55.2, TiO₂ = 2.2±0.1 wt%, Al₂O₃ = 10.3±0.2 wt%, FeO/MnO=84±20, n=10); spinel: Mg/(Mg+Fe) = 46.1±0.3, Al₂O₃ = 60.8±0.2 wt%, Cr₂O₃ = 2.0±0.2 wt%, n=10; anorthite: An_98.8-99.2Ab_0.6-1.1Or_0.1-0.2, n=10

Data from:
  MB111
  Table 0
  Line 0:

Place of purchase:	Erfoud, Morocco
Date:	P 2008
Mass (g):	6.1
Pieces:	1
Class:	Angrite
Shock stage:	low
Weathering grade:	low
Fayalite (mol%):	43.4
Ferrosilite (mol%):	11.6
Wollastonite (mol%):	54.8
Classifier:	A. Greshake, MNB
Type spec mass (g):	1.4
Type spec location:	MNB
Main mass:	Stefan Ralew
Comments:	Submitted by Ansgar Greshake

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)

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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