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Northwest Africa 14116
Basic information Name: Northwest Africa 14116
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14116
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 234 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 783 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 31 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14116 (NWA 14116)

(Northwest Africa)

Purchased: 2019 Dec

Classification: Ordinary chondrite (L3)

History: Purchased by Jason Whitcomb in December 2019 from a dealer in Greeley, Colorado, who had obtained the material from a Moroccan source.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed, somewhat unequilibrated chondrules (some containing devitrified glass) are present in a recrystallized matrix containing altered metal, chromite, troilite and chlorapatite.

Geochemistry: Olivine (Fa26.3±2.1, range Fa24.5-29.6, Cr2O3 <0.06 wt.%, N = 5), low-Ca pyroxene (Fs22.3±1.7Wo1.7±1.4, range Fs21.2-25.5Wo0.4-4.2, N = 4), augite (Fs9.2Wo40.7).

Classification: Ordinary chondrite (L3). L group based on magnetic susceptibility.

Specimens: 25.6 g including one polished thin section at PSF; remainder with Mr. J. Whitcomb.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Greeley, CO
Date:P 2019 Dec
Mass (g):234
Pieces:1
Class:L3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):26.3±2.1
Ferrosilite (mol%):22.3±1.7
Wollastonite (mol%):1.7±1.4
Magnetic suscept.:4.54
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):25.6
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-2; 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:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Jason Whitcomb            
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8402 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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