Meteoritical Bulletin: Entry for Northwest Africa 11189

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Northwest Africa 11189

Basic information

Name: Northwest Africa 11189
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11189
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass: 72.2 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	CV3
Recommended:			CV3 [explanation]

This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 10 Apr 2017

Writeup

Writeup from MB 106:

Northwest Africa 11189 (NWA 11189)

(Northwest Africa)

Purchased: 2016 Nov

Classification: Carbonaceous chondrite (CV3)

History: Purchased by John Higgins in November 2016 from a dealer in Laayoune, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Granular chondrules (apparent diameter 600±200 µm) and irregularly-shaped, fine grained CAI are set in a fine grained matrix (~40 vol.%, deep brown in thin section).

Geochemistry: Olivine (Fa_0.6-44.0, N = 3), orthopyroxene (Fs_0.5-2.4Wo_0.9-1.0, N = 2), augite (Fs_14.2Wo_40.7), Al-Ti-diopside (Fs_2.1Wo_39.0, TiO₂ = 8.0 wt.%, Al₂O₃ = 6.3 wt.%), ferroaugite (Fs_48.3Wo_50.1, TiO₂ and Al₂O₃ < 0.05 wt.%).

Classification: Carbonaceous chondrite (CV3).

Specimens: 14.65 g including one polished thin section at UWB; remainder with Mr. J. Higgins.

Data from:
  MB106
  Table 0
  Line 0:

Place of purchase:	Laayoune
Date:	P 2016 Nov
Mass (g):	72.2
Pieces:	1
Class:	CV3
Shock stage:	S2
Weathering grade:	low
Fayalite (mol%):	0.6-44.0
Ferrosilite (mol%):	0.5-2.4
Wollastonite (mol%):	0.9-1.0
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	14.65
Type spec location:	UWB
Main mass:	J. Higgins
Comments:	JH17-1; 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 Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.

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Photos:

Credit	Photos
Public domain photographs:
A. Irving

Geography:

Coordinates:

Unknown.

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

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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