Meteoritical Bulletin: Entry for Northwest Africa 10499

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Northwest Africa 10499

Basic information

Name: Northwest Africa 10499
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10499
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass: 1017 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 8 Jan 2016

Writeup

Writeup from MB 105:

Northwest Africa 10499 (NWA 10499)

(Northwest Africa)

Purchased: 2015 Sep

Classification: Ordinary chondrite (LL3)

History: Purchased by John Higgins in September 2015 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, fairly closely-packed chondrules are set in a finer matrix.

Geochemistry: Olivine (Fa_0.3-53.6, Cr₂O₃ in ferroan olivine 0.06-0.21 wt.%, mean 0.14 wt.%, sd 0.05 wt.%, N = 9), orthopyroxene (Fs_0.7-25.0Wo_3.5-4.9, N = 3), clinopyroxene (Fs_1.9-4.8Wo_42.1-45.7, N = 2). Magnetic susceptibility log χ (× 10^-9 m³/kg)=4.08.

Classification: Ordinary chondrite (LL3).

Specimens: 32 g including one polished thin section at UWB; main mass with Mr. J. Higgins.

Data from:
  MB105
  Table 0
  Line 0:

Place of purchase:	Zagora
Date:	P 2015 Sep
Mass (g):	1017
Pieces:	7
Class:	LL3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	0.3-53.6
Ferrosilite (mol%):	0.7-25.0
Wollastonite (mol%):	3.5-4.9
Magnetic suscept.:	4.08
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	32
Type spec location:	UWB
Main mass:	J. Higgins
Comments:	JH15-14; 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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Ahmad Fairuz
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Kenneth Alvarez Castillo
Mike Markowitz

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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