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Northwest Africa 14381
Basic information Name: Northwest Africa 14381
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14381
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 2.86 kg
Classification
  history:
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 131 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 31 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14381 (NWA 14381)

(Northwest Africa)

Purchased: 2020

Classification: HED achondrite (Eucrite, unbrecciated)

History: Puchased by Nicholas Gessler in 2020 from a Moroccan dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Unbrecciated specimen with subophitic texture. Composed of exsolved pigeonite and calcic plagioclase with accessory silica polymorph, ilmenite, chromite, troilite, zircon and Ni-free metal.

Geochemistry: Low-Ca pyroxene (Fs55.6-58.0Wo6.1-8.5, FeO/MnO = 30-31, N = 7), augite (Fs29.3-32.9Wo36.7-40.8, FeO/MnO = 28-31, N = 7), plagioclase (An87.7-88.9Or0.5, N = 3).

Classification: Eucrite (unbrecciated).

Specimens: 32.7 g plus one polished thin section at UWB; remainder with Mr. N. Gessler.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020
Mass (g):2864
Pieces:1
Class:Eucrite-unbr
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):55.6-58.0
Wollastonite (mol%):6.1-8.5
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):32.7
Type spec location:UWB
Main mass:N. Gessler
Comments:Work name NG-BG; submitted by A. Irving
Institutions
   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)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Gessler: Nicholas Gessler, 2010 Calgary Lane, Los Angeles, CA 90077, United States (private address; updated 7 Jul 2016)
BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 26 Oct 2023)
Catalogs:
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:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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