Meteoritical Bulletin: Entry for Northwest Africa 15172

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Northwest Africa 15172

Basic information

Name: Northwest Africa 15172
This is an OFFICIAL meteorite name.
Abbreviation: NWA 15172
Observed fall: No
Year found: 2021
Country: Algeria
Mass: 38 g

Classification
history:

Meteoritical Bulletin:	MB 111	(2023)	Lunar (feldsp. breccia)
Recommended:			Lunar (feldsp. breccia) [explanation]

This is 1 of 340 approved meteorites classified as Lunar (feldsp. breccia). [show all]
Search for other: Lunar meteorites

Comments:

Approved 1 Oct 2022

Writeup

Writeup from MB 111:

Northwest Africa 15172 (NWA 15172)

Algeria

Purchased: 2021

Classification: Lunar meteorite (feldspathic breccia)

History: Found in 2021 in Algeria, in the Tindouf area. Bought by Isabelle Pothier from Yunès Chaoui in Morocco.

Physical characteristics: Dark stone without fusion crust, with mm-sized white clast visible at the surface.

Petrography: (J. Gattacceca, CEREGE) Clast-rich brecica with mineral clasts (pyroxene, plagioclase) to mm set in a feldspathic matrix. Accessory minerals: ilmenite, troilite, siilca polymorph. Rare metal.

Geochemistry: Pyroxene Fs_38.2±12.0Wo_26.2±6.7, FeO/MnO = 56.0±10.4 (n=6). Plagioclase clasts An_95.7±2.2Ab_4.2±2.2Or_0.1±0.1(n =4). Feldspathic mesostasis An_92.9±0.2Ab_6.8±0.2Or_0.3±0.0(n=4).

Classification: Achondrite (lunar, feldspathic breccia)

Specimens: Type specimen at CEREGE. Main mass with Isabelle Pothier.

Data from:
  MB111
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2021
Mass (g):	38
Pieces:	2
Class:	Lunar (feldsp. breccia)
Magnetic suscept.:	3.02
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	7.7
Type spec location:	CEREGE
Main mass:	Isabelle Pothier
Finder:	anonymous
Comments:	work name CM120; submitted by Jérôme Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)

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:

Algeria

Coordinates:

Unknown.

Statistics:
This is 1 of 1358 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)

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Revision
history:

This lists important revisions made to data for this record.

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