Meteoritical Bulletin: Entry for Northwest Africa 11472

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Northwest Africa 11472

Basic information

Name: Northwest Africa 11472
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11472
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass: 840 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	Lunar (feldsp. breccia)
Recommended:			Lunar (feldsp. breccia) [explanation]

This is 1 of 312 approved meteorites classified as Lunar (feldsp. breccia). [show all]
Search for other: Lunar meteorites

Comments:

Approved 15 Nov 2017

Writeup

help

Writeup from MB 106:

Northwest Africa 11472 (NWA 11472)

(Northwest Africa)

Find: 2017

Classification: Lunar meteorite (feldspathic breccia)

History: A single stone was found in March 2017 by a nomad in an undisclosed region of the Sahara. The stone was later purchased by Luc Labenne.

Physical characteristics: A single grayish stone. Cut surface reveals a gray interior with mm sized light gray and white clasts.

Petrography: (J. Gattacceca, H. Pourkhorsandi, CEREGE): Brecciated igneous rock.Clasts of anorthite (to 5 mm), olivine, pyroxene set in a feldspathic matrix. Opaque minerals: ilmenite, chromite, troilite, metal (to 40 μm).

Geochemistry: Olivine Fa_39.7±13.2, range Fa_19.6-55.1, FeO/MnO=101.0±19.1 (N=8). Pyroxene Fs_33.1±9.3Wo_12.7±10.5, FeO/MnO=65.9±10.7 (N=8). Plagioclase An_96.1±1.0Ab_3.8±0.9Or_0.1±0.1(N=6). Chromite Cr/(Cr+Al)=0.56, TiO₂=11.4wt%, Al₂O₃=15.4wt%, Cr₂O₃=28.4wt% (N=2). Magnetic susceptibility log χ (× 10^-9 m³/kg) = 2.82.

Classification: Lunar, feldspathic breccia.

Specimens: 22 g at CEREGE. Main mass with Luc Labenne.

Data from:
  MB106
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	2017
Mass (g):	840
Pieces:	1
Class:	Lunar (feldsp. breccia)
Weathering grade:	minor
Magnetic suscept.:	2.82
Classifier:	J. Gattacceca, H. Pourkhorsandi, CEREGE
Type spec mass (g):	22
Type spec location:	CEREGE
Main mass:	Labenne Luc
Finder:	Labenne Luc
Comments:	work name LL24 (LAB120617); submitted by J. 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 29 Oct 2018)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)

Catalogs:

References:

Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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