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Northwest Africa 14929
Basic information Name: Northwest Africa 14929
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14929
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 32.9 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Acapulcoite
Recommended:  Acapulcoite    [explanation]

This is 1 of 93 approved meteorites classified as Acapulcoite.   [show all]
Search for other: Acapulcoite-lodranite family, Acapulcoites, and Primitive achondrites
Comments: Approved 5 Jul 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14929 (NWA 14929)

(Northwest Africa)

Purchased: 2019 Dec

Classification: Primitive achondrite (Acapulcoite)

History: Purchased by Jason Whitcomb in December 2019 from a Moroccan dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Triple grain junction texture (mean grainsize ~350 µm). Composed of olivine, low-Ca pyroxene and diopside with accessory sodic plagioclase, troilite, altered kamacite, low-Ti chromite and merrillite.

Geochemistry: Olivine (Fa11.0-11.5, FeO/MnO = 19-21, N = 5), low-Ca pyroxene (Fs10-7-11.0Wo1.9-2.5, FeO/MnO = 12, N = 4), diopside (Fs4.6-5.1Wo43.4-45.0, FeO/MnO = 8-9, N = 4), plagioclase (Ab72.5An25.2Or2.3).

Classification: Acapulcoite.

Specimens: 6.66 g including a polished endcut at PSF; remainder with Mr. J. Whitcomb.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019 Dec
Mass (g):32.86
Pieces:1
Class:Acapulcoite
Shock stage:low
Weathering grade:low
Fayalite (mol%):11.0-11.5
Ferrosilite (mol%):10.7-11.0; 4.6-5.1
Wollastonite (mol%):1.9-2.5; 43.4-45.0
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):6.66
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-3; 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)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
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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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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