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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:
Meteoritical Bulletin:  MB 110  (2022)  Eucrite-cm
Recommended:  Eucrite-cm    [explanation]

This is 1 of 54 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 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
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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