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Northwest Africa 14385
Basic information Name: Northwest Africa 14385
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14385
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 616 g
Classification
  history:
Recommended:  Ureilite    [explanation]

This is 1 of 630 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 31 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14385 (NWA 14385)

(Northwest Africa)

Purchased: 2021

Classification: Ureilite

History: Puchased by Nicholas Gessler in 2021 from a Moroccan dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, Brown U.) Protogranular aggregate dominated by olivine (~80 vol.%) with subordinate clinopyroxene (both pigeonite and subcalcic augite). Olivine grains have reduced magnesian rims containing fine grained altered Fe metal and minor lawrencite. Accessory graphite.

Geochemistry: Olivine (cores Fa21.2-22.3, N = 3; rims 3.7-13.4, N = 5), pigeonite (Fs7.7-18.1Wo5.7-12.2, N = 10), subcalcic augite (Fs7.8Wo23.8; Fs2.7-7.8Wo34.7-33.3; N = 3).

Classification: Ureilite.

Specimens: 25.8 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 2021
Mass (g):616
Pieces:1
Class:Ureilite
Shock stage:moderate
Weathering grade:low
Fayalite (mol%):21.2-22.3; 3.7-13.4
Ferrosilite (mol%):7.7-18.1; 7.8; 2.7-7.8
Wollastonite (mol%):5.7-12.2; 23.8; 33.3-34.7
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):25.8
Type spec location:UWB
Main mass:N. Gessler
Comments:Work name NJ-DJ; 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 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 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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