Meteoritical Bulletin: Entry for Northwest Africa 13714

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Northwest Africa 13714

Basic information

Name: Northwest Africa 13714
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13714
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 39.2 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	Lunar (feldsp. breccia)
Recommended:			Lunar (feldsp. breccia) [explanation]

This is 1 of 336 approved meteorites classified as Lunar (feldsp. breccia). [show all]
Search for other: Lunar meteorites

Comments:

Approved 20 Mar 2021

Writeup

Writeup from MB 110:

Northwest Africa 13714 (NWA 13714)

(Northwest Africa)

Purchased: October 2020

Classification: Lunar meteorite (feldspathic breccia)

Physical characteristics: A single flat grey brecciated stone. Cut surface reveals a dark grey interior with clasts.

Petrography: (J. Gattacceca, CEREGE) Breccia with mineral and melt rock clasts (to mm) set in a matrix that can be glassy (with vesicles) to clastic. Main minerals are Ca-pyroxene and olivine. Other minerals: metal, troilite (10-20 µm), ilmenite.

Geochemistry: Olivine Fa_41.9±6.8, range Fa_33.2-50.2, FeO/MnO = 92.8±7.8, CaO = 0.38±0.08 (n=5). Ca-pyroxene Fs_34.2±4.2Wo_19.8±3.4(n=7), Fs_19.0Wo_42.0(n=2), FeO/MnO = 52.9±4.0 (n=9). Feldspathic mesostasis An_97.0±0.8Ab_2.8±0.7Or_0.2±0.1(n=7).

Classification: Achondrite (lunar feldspathic breccia)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Guelmin, Morocco
Date:	P Oct 2020
Mass (g):	39.2
Pieces:	1
Class:	Lunar (feldsp. breccia)
Weathering grade:	moderate
Fayalite (mol%):	41.9±6.8 (n=5)
Magnetic suscept.:	2.87
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	8.19
Type spec location:	CEREGE
Main mass:	Kuntz
Finder:	anonymous
Comments:	work name K522; 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)
Kuntz: Fabien Kuntz, France; Website (private address)

Catalogs:

References:

Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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Revision
history:

This lists important revisions made to data for this record.

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