Meteoritical Bulletin: Entry for Northwest Africa 13484

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Northwest Africa 13484

Basic information

Name: Northwest Africa 13484
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13484
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass: 240 g

Classification
history:

Meteoritical Bulletin:	MB 109	(2020)	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 14 Nov 2020

Writeup

Writeup from MB 109:

Northwest Africa 13484 (NWA 13484)

(Northwest Africa)

Find: 2017

Classification: Lunar meteorite (feldspathic breccia)

Physical characteristics: Greyish fragments.

Petrography: (J. Gattacceca, CEREGE) Brecciated igneous rock with fractured mineral clasts to 300 μm set in a glassy mesostasis of feldspathic composition. The mesostasis has abundant ~20 μm vesicles. FeNi metal is present as ~10 μm grains.

Geochemistry: Olivine Fa_32.9, FeO/MnO = 144 (n=1). Pyroxene : low-Ca pyroxene Fs_23.7Wo_5.5(n=2), Ca-pyroxene Fs_22.1Wo_33.8(n=1), FeO/MnO = 50.3±5.7 (n=3). Mesostasis An_94.9Ab_4.9Or_0.2(n=3).

Classification: Achondrite (lunar, feldspathic breccia)

Specimens: Type specimen at CEREGE. Main mass with J. Bassemon.

Data from:
  MB109
  Table 0
  Line 0:

Date:	2017
Mass (g):	240
Pieces:	many
Class:	Lunar (feldsp. breccia)
Magnetic suscept.:	2.57
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	20
Type spec location:	CEREGE
Main mass:	J. Bassemon
Comments:	work name CM49; 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 Meteoritical Bulletin, no. 109, in preparation (2020)

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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:

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