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Northwest Africa 15913
Basic information Name: Northwest Africa 15913
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15913
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 1249 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2024)  CVox3
Recommended:  CVox3    [explanation]

This is 1 of 54 approved meteorites classified as CVox3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 29 May 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 15913 (NWA 15913)

(Northwest Africa)

Purchased: 2022

Classification: Carbonaceous chondrite (CVox3)

History: Purchased by Craig Zlimen in 2022 from an Algerian dealer. The material was divided among Jiajun Wu, Craig Zlimen and Ryan Hannahoe.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-defined unequilibrated chondrules (apparent diameter 1270±610 µm, N = 25) containing devitrified glass together with very fine grained CAI are set in a fine grained matrix (~30 vol.%, almost opaque sepia brown in thin section) containing chromite, Cr-bearing magnetite, intermediate plagioclase and Fe oxides. Phases obserevd in one CAI include olivine, anorthite and spinel.

Geochemistry: Olivine (Fa19.5±15.2, range Fa2.1-46.0, N = 16), low-Ca pyroxene (Fs1.7±1.0Wo1.6±1.4, range Fs0.7-3.7Wo0.4-3.0, N = 8), diopside (Fs2.2±1.0Wo37.6±3.5, range Fs0.7-3.0Wo32.1-41.0, N = 5), magnetite (Cr203 0.12-1.03 wt.%, N = 9).

Classification: Carbonaceous chondrite (CVox3).

Specimens: 23.1 g including one polished thin section at UWB; remainder held separately by Mr. Jiajun Wu (main mass), Craig Zlimen and Ryan Hannahoe.

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2022
Mass (g):1249
Pieces:2
Class:CVox3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):19.5±15.2
Ferrosilite (mol%):1.7±1.0
Wollastonite (mol%):1.6±1.4
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):23.1
Type spec location:UWB
Main mass:Jiajun Wu
Comments:Work name MLC01; 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, 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 13 Jun 2024)
Catalogs:
References: Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Cartier C., Consolmagno G., Goodrich C., Greshake A., Gross J., Joy K. H., Miao B. and Zhang B. (2024) The Meteoritical Bulletin, no. 112. Meteoritics & Planetary Science 59, 1820–1823. ?
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9790 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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