Meteoritical Bulletin: Entry for Northwest Africa 10662

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Northwest Africa 10662

Basic information

Name: Northwest Africa 10662
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10662
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass: 503 g

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	LL3
Recommended:			LL3 [explanation]

This is 1 of 487 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 15 May 2016

Writeup

Writeup from MB 105:

Northwest Africa 10662 (NWA 10662)

(Northwest Africa)

Purchased: 2016 Jan

Classification: Ordinary chondrite (LL3)

History: Purchased by Fabien Kuntz in January 2016 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Closely-packed, well-formed chondrules (apparent diameter 700±400 µm, several 3 mm) with little matrix.

Geochemistry: Olivine (Fa_0.2-38.0; Cr₂O₃ in ferroan examples 0.04-0.08 wt.%, mean 0.06±0.01 wt.%, N = 7), orthopyroxene (Fs_4.0-8.8Wo_0.3-0.5, N = 3), pigeonite (Fs_15.6Wo_5.5), subcalcic augite (Fs_8.2-8.5Wo_35.6-30.8, N = 2).

Classification: Ordinary chondrite (LL3).

Specimens: 29.31 g including one polished thin section at PSF; remainder with Kuntz.

Data from:
  MB105
  Table 0
  Line 0:

Place of purchase:	Zagora
Date:	P 2016 Jan
Mass (g):	503.1
Pieces:	many
Class:	LL3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	0.2-38.0
Ferrosilite (mol%):	4.0-8.8; 15.6; 8.2-8.5
Wollastonite (mol%):	0.3-0.5; 5.5; 35.6-30.8
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	29.31
Type spec location:	PSF
Main mass:	F. Kuntz
Comments:	K290; submitted by A. Irving

Institutions
and collections

PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Kuntz: Fabien Kuntz, France; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Mike Markowitz

Geography:

Coordinates:

Unknown.

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