Meteoritical Bulletin: Entry for Northwest Africa 15158

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Northwest Africa 15158

Basic information

Name: Northwest Africa 15158
This is an OFFICIAL meteorite name.
Abbreviation: NWA 15158
Observed fall: No
Year found: 2017
Country: Morocco
Mass: 12.5 g

Classification
history:

Recommended:

LL3 [explanation]

This is 1 of 444 approved meteorites classified as LL3. [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 29 Jan 2023

Writeup

Writeup from MB 112:

Northwest Africa 15158 (NWA 15158)

Morocco

Purchased: 2017

Classification: Ordinary chondrite (LL3)

Petrography: (J. Gattacceca, CEREGE) Chondrite with large chondrules (average apparent diameter 1210±270, n=14), and cluster texture. Olivine is zoned. Opaque minerals are metal and troilite.

Geochemistry: Olivine Fa_16.3±7.5, range Fa_0.5-27.0, Fa PMD 36% (n=9). Cr₂O₃ in ferroan olivine 0.23±0.13 wt% (n=8). Low-Ca pyroxene Fs_11.4±8.1Wo_1.2±1.3, range Fs_2.1-22.9(n=10).

Classification: Ordinary chondrite (LL3).

Specimens: Type specimen at CEREGE. Main mass with José Garcia.

Data from:
  MB112
  Table 0
  Line 0:

Date:	P 2017
Mass (g):	12.5
Pieces:	1
Class:	LL3
Weathering grade:	W4
Fayalite (mol%):	16.3±7.5 (n=9)
Ferrosilite (mol%):	11.4±8.1 (n=10)
Wollastonite (mol%):	1.2±1.3
Magnetic suscept.:	3.82
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	2.58
Type spec location:	CEREGE
Main mass:	José Garcia
Finder:	anonymous
Comments:	work name CM116; 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 29 Oct 2018)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 112, in preparation (2023)

Find references in NASA ADS:
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Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 1967 approved meteorites from Morocco (plus 37 unapproved names) (plus 1 impact crater)

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