Meteoritical Bulletin: Entry for Northwest Africa 11672

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Northwest Africa 11672

Basic information

Name: Northwest Africa 11672
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11672
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass: 282 g

Classification
history:

Meteoritical Bulletin:	MB 107	(2018)	L3
Recommended:			L3 [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 20 Feb 2018

Writeup

Writeup from MB 107:

Northwest Africa 11672 (NWA 11672)

(Northwest Africa)

Purchased: 2017 Jun

Classification: Ordinary chondrite (L3)

History: Purchased by Gary Fujihara in June 2017 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Closely packed, well-formed, unequilibrated chondrules (apparent diameter 620±340 µm, N = 18) are set in a recrystallized matrix containing slightly stained kamacite.

Geochemistry: Olivine (Fa_1.8-64.0, Cr₂O₃ in ferroan examples 0.02-0.84 wt.%, mean 0.19±0.33 wt.%, N = 8), orthopyroxene (Fs_3.3-18.8Wo_0.2-2.0, N = 3), augite (Fs_8.7-11.8Wo_41.3-36.7, N = 2). Magnetic susceptibility log χ (× 10^-9 m³/kg) = 4.73.

Classification: Ordinary chondrite (L3).

Specimens: 21.8 g including one polished thin section at UWB; main mass with Mr. G. Fujihara.

Data from:
  MB107
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2017 Jun
Mass (g):	282
Pieces:	1
Class:	L3
Shock stage:	S2
Weathering grade:	W0/1
Fayalite (mol%):	1.8-64.0
Ferrosilite (mol%):	3.3-18.8
Wollastonite (mol%):	0.2-2.0
Magnetic suscept.:	4.73
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	21.8
Type spec location:	UWB
Main mass:	G. Fujihara
Comments:	Work name GF17-3; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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