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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
Recommended:  Ureilite    [explanation]

This is 1 of 604 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 31 Oct 2021
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:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2021
Mass (g):616
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
   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)
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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     This is 1 of 8402 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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