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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:
Recommended:  LL6    [explanation]

This is 1 of 2817 approved meteorites (plus 1 unapproved name) 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: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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