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Northwest Africa 14447
Basic information Name: Northwest Africa 14447
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14447
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 289 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  H4
Recommended:  H4    [explanation]

This is 1 of 6484 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 29 Jan 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14447 (NWA 14447)

(Northwest Africa)

Purchased: 2021 Jul

Classification: Ordinary chondrite (H4)

History: Purchased by Shun-Chung Yang in July 2021 from a dealer in Tindouf, Algeria.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed equilibrated chondrules containing devitrified glass are set in a fine grained matrix containing stained kamacite, troilite, chromite and merrillite. Plagioclase is absent in both the chondrules and the matrix.

Geochemistry: Olivine (Fa17.4±0.2, range Fa17.0-17.7, N = 7), low-Ca pyroxene (Fs16.4±0.7Wo1.2±0.1, range Fs15.4-20.2Wo1.0-1.4, N = 7), augite (Fs4.8Wo46.2).

Classification: Ordinary chondrite (H4).

Specimens: 23.2 g including one polished thin section at UWB; remainder with Mr. S.-C. Yang.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Tindouf
Date:P 2021 Jul
Mass (g):289
Pieces:2
Class:H4
Shock stage:S2
Weathering grade:W0/1
Fayalite (mol%):17.4±0.2
Ferrosilite (mol%):16.4±1.7
Wollastonite (mol%):1.2±0.1
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):23.2
Type spec location:UWB
Main mass:S.-C. Yang
Comments:Work name SCY-41; 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 4 Jan 2024)
Catalogs:
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. ?
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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