Meteoritical Bulletin: Entry for Northwest Africa 10799

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Northwest Africa 10799

Basic information

Name: Northwest Africa 10799
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10799
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass: 3.26 kg

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	L3
Recommended:			L3 [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 13 Aug 2016

Writeup

Writeup from MB 105:

Northwest Africa 10799 (NWA 10799)

(Northwest Africa)

Purchased: 2016 Feb

Classification: Ordinary chondrite (L3)

History: Purchased by Matthew Martin in February 2016 from a Moroccan dealer at the Tucson Gem and Mineral Show.

Petrography: (A. Irving and S. Kuehner, UWS) Closely-packed, well-formed chondrules (apparent diameter 500±400 µm) are set in a sparse fine grained, black matrix.

Geochemistry: Olivine (Fa_1.2-49.9, Cr₂O₃ in ferroan examples 0.08-0.23 wt.%, mean 0.16±0.05 wt.%, N = 8), orthopyroxene (Fs_1.9-6.7Wo_0.4-2.3, N = 3), pigeonite (Fs_39.1Wo_5.9), subcalcic augite (Fs_8.9-14.2Wo_36.7-32.0, N = 2).

Classification: Ordinary chondrite (L3).

Specimens: 20.65 g including one polished thin section at UWB; 423 g with Mr. M. Martin; 2832 g main mass with Mr. R. Falls.

Data from:
  MB105
  Table 0
  Line 0:

Place of purchase:	Tucson
Date:	P 2016 Feb
Mass (g):	3255
Pieces:	2
Class:	L3
Shock stage:	S2
Weathering grade:	W1
Fayalite (mol%):	1.2-49.9
Ferrosilite (mol%):	1.9-6.7; 39.1
Wollastonite (mol%):	0.4-2.3; 5.9
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20.65
Type spec location:	UWB
Main mass:	R. Falls
Comments:	MM16-2; 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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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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