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Northwest Africa 14456
Basic information Name: Northwest Africa 14456
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14456
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 1935 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  H6
Recommended:  H6    [explanation]

This is 1 of 6825 approved meteorites (plus 6 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 13 Nov 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14456 (NWA 14456)

(Northwest Africa)

Purchased: 2021 Apr

Classification: Ordinary chondrite (H6)

History: Purchased by Mbark Arjdal in April 2021 from a Moroccan dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Very fresh, highly recrystallized specimen containing rare remnant chondrules. Accessory phases are sodic plagioclase, kamacite, troilite, chromite, merrillite and chlorapatite.

Geochemistry: Olivine (Fa19.6±0.2, range Fa19.4-19.9, N = 7), low-Ca pyroxene (Fs17.2±0.2Wo1.4±0.1, range Fs16.9-17.4Wo1.2-1.6, N = 7).

Classification: Ordinary chondrite (H6).

Specimens: 93.7 g including one polished thin section at UWB; remainder with Mr. M. Arjdal.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2021 Apr
Mass (g):1935
Pieces:3
Class:H6
Shock stage:S2
Weathering grade:W0/1
Fayalite (mol%):19.6±0.2
Ferrosilite (mol%):17.2±0.2
Wollastonite (mol%):1.4±0.1
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):93.7
Type spec location:UWB
Main mass:M. Arjdal
Comments:Work name Arj ZA 1; 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., 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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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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