Meteoritical Bulletin: Entry for Northwest Africa 10836

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Northwest Africa 10836

Basic information

Name: Northwest Africa 10836
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10836
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass: 188 g

Classification
history:

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

This is 1 of 452 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 24 Sep 2016

Writeup

Writeup from MB 105:

Northwest Africa 10836 (NWA 10836)

(Northwest Africa)

Purchased: 2016 May

Classification: Ordinary chondrite (LL3)

History: Purchased by John Higgins in May 2016 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Closely-packed, well-formed chondrules (apparent diameter 500±300 μm) are set in a sparse matrix containing altered metal.

Geochemistry: Olivine (Fa_4.0-37.7; Cr₂O₃ in ferroan examples 0.05-0.09 wt.%, mean 0.07±0.01 wt.%, N = 7), orthopyroxene (Fs_3.5-12.9Wo_0.4-0.3, N = 3), clinopyroxene (Fs_3.1Wo_41.8). Magnetic susceptibility log χ (× 10^-9 m³/kg) = 3.36.

Classification: Ordinary chondrite (LL3).

Specimens: 21.8 g including one polished thin section at UWB; remainder with Mr. J. Higgins.

Data from:
  MB105
  Table 0
  Line 0:

Place of purchase:	Zagora
Date:	P 2016 May
Mass (g):	188
Pieces:	many
Class:	LL3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	4.0-37.7
Ferrosilite (mol%):	3.5-12.9
Wollastonite (mol%):	0.4-0.3
Magnetic suscept.:	3.36
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	21.8
Type spec location:	UWB
Main mass:	J. Higgins
Comments:	JH16-8; 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)

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 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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