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Northwest Africa 14342
Basic information Name: Northwest Africa 14342
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14342
Observed fall: No
Year found: 2020
Country: Northwest Africa
Mass:help 161 g
Classification
  history:
Recommended:  Eucrite-cm    [explanation]

This is 1 of 51 approved meteorites classified as Eucrite-cm.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 17 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14342 (NWA 14342)

Northwest Africa

Purchased: 2020

Classification: HED achondrite (Eucrite, cumulate)

History: Purchased from a Moroccan meteorite dealer in August 2020.

Physical characteristics: Single stone, no fusion crust, saw-cut slices reveal a fine-grained light-gray mosaic surface. A few scattered opaque grains with metallic luster are also visible.

Petrography: (A. Ross, C. Agee, UNM) Reflected light microscopy shows adcumulate texture of pyroxene and plagioclase grains. Ubiquitous minor chromite was detected.

Geochemistry: (A. Ross, UNM) Pigeonite Fs39.1±1.0Wo7.6±1.9, Fe/Mn=31±1, n=7; plagioclase An92.3±0.8, n=4.

Classification: Cumulate eucrite

Specimens: 20.1 g on deposit at UNM, Larry Atkins holds the main mass.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020
Mass (g):161
Pieces:1
Class:Eucrite-cm
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):39.1±1.0
Wollastonite (mol%):7.6±1.9
Classifier:C. Agee, UNM
Type spec mass (g):20.1
Type spec location:UNM
Main mass:Larry Atkins
Comments:Field name LA-3012; submitted by C. Agee, UNM
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
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 2 approved meteorites from Northwest Africa

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