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Northwest Africa 10982
Basic information Name: Northwest Africa 10982
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10982
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 14.65 kg
Meteoritical Bulletin:  MB 105  (2016)  L3
Recommended:  L3    [explanation]

This is 1 of 724 approved meteorites (plus 1 unapproved name) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 26 Nov 2016
Writeup from MB 105:

Northwest Africa 10982 (NWA 10982)

(Northwest Africa)

Purchased: 2005

Classification: Ordinary chondrite (L3)

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 450±300 μm) are set in a finer matrix containing stained metal.

Geochemistry: Olivine (predominantly Fa24.9-25.4, magnesian core Fa3.3, Cr2O3 in ferroan examples <0.05 wt.%, N = 7), orthopyroxene (Fs0.9-20.9Wo0.8-1.5, N = 3), clinopyroxene (Fs7.6-8.1Wo44.6-44.4, N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.88.

Classification: Ordinary chondrite (L3).

Specimens: 75 g including one polished thin section at PSF; remainder in the Hollis Collection.

Data from:
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2005
Mass (g):14650
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):3.3-25.4
Ferrosilite (mol%):0.9-20.9
Wollastonite (mol%):0.8-1.5
Magnetic suscept.:4.88
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):75
Type spec location:PSF
Main mass:Hollis Collection
Comments:CHC16014; submitted by A. Irving
   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)
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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     This is 1 of 7810 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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