Meteoritical Bulletin: Entry for Northwest Africa 11069

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Northwest Africa 11069

Basic information

Name: Northwest Africa 11069
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11069
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass: 118 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	LL(L)3
Recommended:			LL(L)3 [explanation]

This is 1 of 24 approved meteorites classified as LL(L)3. [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 14 Feb 2017

Writeup

Writeup from MB 106:

Northwest Africa 11069 (NWA 11069)

(Northwest Africa)

Purchased: 2016 Sep

Classification: Ordinary chondrite (LL(L)3)

History: Purchased by Fred Olsen in September 2016 from a Moroccan dealer at the Denver Show.

Petrography: (A. Irving and S. Kuehner, UWS) Fairly closely packed, well-formed chondrules (apparent diameter 500±400 μm, one 4 mm) are set in a fine-grained matrix containing altered metal.

Geochemistry: Olivine (Fa_0.4-49.7, Cr₂O₃ in ferroan examples 0.02-0.44 wt.%, mean 0.16±0.14 wt.%, N = 8), orthopyroxene (Fs_1.5-21.8Wo_0.4-1.0, N = 3), subcalcic augite (Fs_19.4-22.7Wo_23.0-29.6, N = 2). Magnetic susceptibility log χ (× 10^-9 m³/kg) = 4.20.

Classification: Ordinary chondrite (LL(L)3).

Specimens: 21.0 g including one polished thin section at UWB; remainder with Mr. F. Olsen.

Data from:
  MB106
  Table 0
  Line 0:

Place of purchase:	Denver
Date:	P 2016 Sep
Mass (g):	118
Pieces:	1
Class:	LL(L)3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	0.4-49.7
Ferrosilite (mol%):	1.5-21.8
Wollastonite (mol%):	0.4-1.0
Magnetic suscept.:	4.20
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	21.0
Type spec location:	UWB
Main mass:	F. Olsen
Comments:	FO16-1; 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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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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