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Northwest Africa 14378
Basic information Name: Northwest Africa 14378
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14378
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 1004 g
Recommended:  CO3    [explanation]

This is 1 of 642 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 15 Dec 2021
Writeup from MB 110:

Northwest Africa 14378 (NWA 14378)

(Northwest Africa)

Purchased: 2020

Classification: Carbonaceous chondrite (CO3)

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

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed small, glass-bearing chondrules (apparent diameter 210 ± 120 µm, N = 24), olivine crystal fragments and very fine grained CAI are set in a fine grained matrix (~20 vol.%, red-brown in thin section) containing altered metal, chromite and troilite.

Geochemistry: Olivine (Fa19.3±17.2, range Fa0.6-48.9, N = 11; Cr2O3 in ferroan olivine 0.04-0.52 wt.%, mean 0.32 wt.%, sd 0.09 wt.%, N = 15), low-Ca pyroxene (Fs1.2±0.1Wo0.9±0.1, range Fs1.1-1.3Wo0.8-1.0, N = 3), augite (Fs1.2±0.1Wo41.9±2.2, range Fs1.2-1.3Wo39.5-43.7, N = 3).

Classification: Carbonaceous chondrite (CO3).

Specimens: 24.5 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):1004
Shock stage:S2
Weathering grade:low
Fayalite (mol%):19.3±17.2
Ferrosilite (mol%):1.2±0.1
Wollastonite (mol%):0.9±0.1
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):24.5
Type spec location:UWB
Main mass:N. Gessler
Comments:Work name NG-BI; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Gessler: Nicholas Gessler, 2010 Calgary Lane, Los Angeles, CA 90077, United States (private address; updated 7 Jul 2016)
BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 26 Oct 2023)
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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     This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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