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Northwest Africa 14083
Basic information Name: Northwest Africa 14083
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14083
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 2.72 kg
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2923 approved meteorites (plus 2 unapproved names) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Jul 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14083 (NWA 14083)

(Northwest Africa)

Purchased: 2021 Jan

Classification: Ordinary chondrite (LL6)

History: Purchased by Jason Whitcomb in January 2021 from a Moroccan dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Breccia composed of recrystallized clasts containing rare chondrule remnants in a sparse finer grained matrix. Accessory phases are stained metal, chromite, troilite and chlorapatite.

Geochemistry: Olivine (Fa31.1±0.12, range Fa30.9-31.3, N = 5), low-Ca pyroxene (Fs25.0±0.3Wo1.7±0.2, range Fs24.5-25.2Wo1.5-1.9, N = 5), augite (Fs10.6Wo43.2).

Classification: Ordinary chondrite (LL6 breccia).

Specimens: 50.4 g including one polished thin section at PSF; remainder with Mr. J. Whitcomb.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2021 Jan
Mass (g):2722
Pieces:1
Class:LL6
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):31.1±0.1
Ferrosilite (mol%):25.0±0.3
Wollastonite (mol%):1.7±0.2
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):50.4
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-14; 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)
BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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