Meteoritical Bulletin: Entry for Northwest Africa 12462

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Northwest Africa 12462

Basic information

Name: Northwest Africa 12462
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12462
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 67.2 g

Classification
history:

Meteoritical Bulletin:	MB 108	(2020)	LL3.15
Recommended:			LL3.15 [explanation]

This is 1 of 23 approved meteorites classified as LL3.15. [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 22 Feb 2019

Writeup

Writeup from MB 108:

Northwest Africa 12462 (NWA 12462)

(Northwest Africa)

Purchased: 2018 March

Classification: Ordinary chondrite (LL3.15)

Petrography: Chondrite with packed, well-defined chondrules.

Geochemistry: Olivine Fa_19.1±10.9, Fa PMD 49%, range Fa_0.8-37.4(n=11). Cr₂O₃ in ferroan olivine 0.19±0.18 wt% (n=10). Low-Ca pyroxene Fs_9.13±5.5Wo_1.0±1.4(n=8). Magnetic susceptibility log χ (× 10^-9 m³/kg) = 3.68.

Classification: Ordinary chondrite (LL3.15). LL group based on magnetic susceptibility. Subtype from Cr₂O₃ content of ferroan olivine.

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

Data from:
  MB108
  Table 0
  Line 0:

Place of purchase:	Zagora, Morocco
Date:	P 2018 March
Mass (g):	67.2
Pieces:	1
Class:	LL3.15
Weathering grade:	W4
Fayalite (mol%):	19.1±10.9 (n=12)
Ferrosilite (mol%):	9.1±5.5 (n=8)
Wollastonite (mol%):	1.0±1.3
Magnetic suscept.:	3.68
Classifier:	J. Gattacceca, L. Krämer Ruggiu, CEREGE
Type spec mass (g):	14.06
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K385; 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 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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