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Northwest Africa 14377
Basic information Name: Northwest Africa 14377
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14377
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 112 g
Recommended:  H4    [explanation]

This is 1 of 6313 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 31 Oct 2021
Writeup from MB 110:

Northwest Africa 14377 (NWA 14377)

(Northwest Africa)

Purchased: 2020

Classification: Ordinary chondrite (H4)

History: Puchased by Nicholas Gessler in 2020 from a Moroccan dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, Brown U.) Well-formed, relatively small chondrules containing devitrified glass are set in a recrystallized matrix containing altered metal, troilite, chromite, chlorapatite and merrillite.

Geochemistry: Olivine (Fa18.4±0.1, range Fa18.3-18.6, N = 7), low-Ca pyroxene (Fs16.5±0.4Wo1.2±0.6, range Fs16.0-17.1Wo0.8-2.3, N = 6), augite (Fs5.3±0.3Wo45.0±1.8, range Fs5.1-5.5Wo46.2-43.7, N = 2).

Classification: Ordinary chondrite (H4).

Specimens: 24.8 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 2020
Mass (g):112
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):18.4±0.1
Ferrosilite (mol%):16.5±0.4
Wollastonite (mol%):1.2±0.6
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):24.8
Type spec location:UWB
Main mass:N. Gessler
Comments:Work name NG-AM; 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 8138 approved meteorites from (Northwest Africa) (plus 1941 unapproved names)

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