Meteoritical Bulletin: Entry for Northwest Africa 10980

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Northwest Africa 10980

Basic information

Name: Northwest Africa 10980
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10980
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass: 429 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 26 Nov 2016

Writeup

Writeup from MB 105:

Northwest Africa 10980 (NWA 10980)

(Northwest Africa)

Purchased: 2005

Classification: Ordinary chondrite (LL3)

History: Purchased by an anonymous collector from a dealer at the Munich Show in 2005 and subsequently acquired by the Hollis Collection.

Petrography: (A. Irving and S. Kuehner, UWS) Unequilibrated with highly magnesian cores in olivine and orthopyroxene. Well-formed, fairly closely packed chondrules (apparent diameter 500-400 μm) are set in a finer matrix containing stained metal and minor chlorapatite.

Geochemistry: Olivine (Fa_0.7-29.9, Cr₂O₃ in ferroan examples 0.02-0.13 wt.%, mean 0.06±0.04 wt.%, N = 7), orthopyroxene (Fs_1.9-22.7Wo_0.5-1.8, N = 3), pigeonite (Fs_19.1Wo_12.6), subcalcic augite (Fs_15.2Wo_33.0, N = 2). Magnetic susceptibility log χ (× 10^-9 m³/kg) = 4.41.

Classification: Ordinary chondrite (LL3).

Specimens: The entire sepcimen including one polished thin section is at PSF.

Data from:
  MB105
  Table 0
  Line 0:

Place of purchase:	Munich
Date:	P 2005
Mass (g):	429
Pieces:	1
Class:	LL3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	0.7-29.9
Ferrosilite (mol%):	1.9-22.7
Wollastonite (mol%):	0.5-1.8
Magnetic suscept.:	4.41
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	429
Type spec location:	PSF
Main mass:	PSF
Comments:	CHC16019; 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)

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 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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