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Northwest Africa 15002
Basic information Name: Northwest Africa 15002
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15002
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 1050 g
Meteoritical Bulletin:  MB 111  (2023)  L3
Recommended:  L3    [explanation]

This is 1 of 851 approved meteorites (plus 2 unapproved names) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 20 Jun 2022
Writeup from MB 111:

Northwest Africa 15002 (NWA 15002)

(Northwest Africa)

Purchased: 2022 Jan

Classification: Ordinary chondrite (L3)

History: Purchased by Marcin Cimala in January 2022 from a Moroccan dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed, closely-packed unequilibrated chondrules (apparent diameter 940±520 µm, N = 25) containing devitrified glass are set in a fine grained matrix containing stained kamacite, troilite and rare chromite.

Geochemistry: Olivine (Fa25.1±23.4, range Fa8.0-98.7, N = 13; Cr2O3 in ferroan olivine 0.01-0.18 wt.%, mean 0.11±0.06 wt.%, N = 14), low-Ca pyroxene (Fs18.5±12.2Wo1.0±0.7, range Fs2.9-27.3Wo0.2-2.0, N = 4), pigeonite (Fs22.6Wo14.3). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.48.

Classification: Ordinary chondrite (L3).

Specimens: 40.0 g including one polished thin section at UWB; remainder with Mr. M. Cimala.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2022 Jan
Mass (g):1050
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):25.1±23.4
Ferrosilite (mol%):18.5±12.2
Wollastonite (mol%):1.0±0.7
Magnetic suscept.:4.48
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):40.0
Type spec location:UWB
Main mass:M. Cimala
Comments:Work name MC 199; 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)
BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024)
References: Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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     This is 1 of 9746 approved meteorites from (Northwest Africa) (plus 1866 unapproved names)

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