MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 3 Jun 2023
Search for: Search type: Search limits: Display: Publication:
Text help
Starts with
Sounds like
Falls  Non-NWAs
What's new
  in the last:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Northwest Africa 14272
Basic information Name: Northwest Africa 14272
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14272
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 5.16 kg
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 272 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 6 Oct 2021
Writeup from MB 110:

Northwest Africa 14272 (NWA 14272)

Northwest Africa

Purchased: 2018 Dec

Classification: HED achondrite (Eucrite, monomict)

History: Purchased by Albert Jambon in December 2018 from a dealer in Nouakchott, Mauritania.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Monomict breccia composed of granulitic-textured eucrite clasts within a fine grained recrystallized matrix. Minerals are exsolved pigeonite, calcic plagioclase, silica polymorph, ilmenite, troilite, Ti-chromite, zircon and baddeleyite.

Geochemistry: Orthopyroxene hosts (Fs60.2-61.3Wo2.1-2.8, FeO/MnO = 29-33, N = 5), augite exsolution lamellae (Fs28.0-30.7Wo38.3-39.7, FeO/MnO = 31-32, N = 5), plagioclase (An83.3-88.6Or0.9-0.6, N = 3).

Classification: Eucrite (monomict breccia, granulitic).

Specimens: 28.4 g including one polished thin section at UWB; remainder with Mr. A. Jambon.

Data from:
  Table 0
  Line 0:
Place of purchase:Nouakchott
Date:P 2018 Dec
Mass (g):5160
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):60.2-61.3; 28.0-30.7
Wollastonite (mol%):2.1-2.8; 38.3-42.0
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):28.4
Type spec location:UWB
Main mass:A. Jambon
Comments:Work name AJ21-03; submitted by A. Irving
   and collections
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)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
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:
Find references in Google Scholar:

     This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

Direct link to this page