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Northwest Africa 14429
Basic information Name: Northwest Africa 14429
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14429
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 1726 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 522 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 12 Feb 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14429 (NWA 14429)

(Northwest Africa)

Purchased: 2021 Feb

Classification: HED achondrite (Diogenite)

History: Purchased by Jason Whitcomb in February 2021 from an Algerian dealer.

Physical characteristics: No fusion crust.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Breccia composed predominantly of angular grains of orthopyroxene (up to 7 mm) accompanied by accessory chromite, troilite (some as arrays of tiny inclusions within orthopyroxene), and rare fayalite. No metal was observed.

Geochemistry: Orthopyroxene (Fs25.3-28.0Wo1.4-2.0, FeO/MnO = 23-27, N = 13), fayalite (Fa84.2, FeO/MnO = 38).

Classification: Diogenite (breccia).

Specimens: 21.59 g including one polished thin section at PSF; remainder with Mr. J. Whitcomb.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021 Feb
Mass (g):1726
Pieces:many
Class:Diogenite
Shock stage:low
Weathering grade:low
Fayalite (mol%):84.2
Ferrosilite (mol%):25.3-28.0
Wollastonite (mol%):1.4-2.0
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):21.59
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-25; 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. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Photos:
CreditPhotos
Public domain photographs:
A. Irving   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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