header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 6 Aug 2022
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Include past classifications in search
Limit to approved meteorite names
Search text:  
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 119 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, Brown U.) 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Gessler: Nicholas Gessler, 2010 Calgary Lane, Los Angeles, CA 90077, United States (private address; updated 7 Jul 2016)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

Direct link to this page