Meteoritical Bulletin: Entry for Northwest Africa 15002

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Northwest Africa 15002

Basic information

Name: Northwest Africa 15002
This is an OFFICIAL meteorite name.
Abbreviation: NWA 15002
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass: 1050 g

Classification
history:

Recommended:

L3 [explanation]

This is 1 of 811 approved meteorites (plus 1 unapproved name) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 20 Jun 2022

Writeup

Writeup from MB 111:

Northwest Africa 15002 (NWA 15002)

(Northwest Africa)

Purchased: 2022 Jan

Classification: Ordinary chondrite (L3)

History: Purchased by Marcin Cimala in January 2022 from a Moroccan dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed, closely-packed unequilibrated chondrules (apparent diameter 940±520 µm, N = 25) containing devitrified glass are set in a fine grained matrix containing stained kamacite, troilite and rare chromite.

Geochemistry: Olivine (Fa_25.1±23.4, range Fa_8.0-98.7, N = 13; Cr₂O₃ in ferroan olivine 0.01-0.18 wt.%, mean 0.11±0.06 wt.%, N = 14), low-Ca pyroxene (Fs_18.5±12.2Wo_1.0±0.7, range Fs_2.9-27.3Wo_0.2-2.0, N = 4), pigeonite (Fs_22.6Wo_14.3). Magnetic susceptibility log χ (× 10^-9 m³/kg) = 4.48.

Classification: Ordinary chondrite (L3).

Specimens: 40.0 g including one polished thin section at UWB; remainder with Mr. M. Cimala.

Data from:
  MB111
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2022 Jan
Mass (g):	1050
Pieces:	1
Class:	L3
Shock stage:	S2
Weathering grade:	W1/2
Fayalite (mol%):	25.1±23.4
Ferrosilite (mol%):	18.5±12.2
Wollastonite (mol%):	1.0±0.7
Magnetic suscept.:	4.48
Classifier:	A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):	40.0
Type spec location:	UWB
Main mass:	M. Cimala
Comments:	Work name MC 199; submitted by A. Irving

Institutions
and collections

UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 111, in preparation (2022)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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