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Northwest Africa 14772
Basic information Name: Northwest Africa 14772
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14772
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 459 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  L6
Recommended:  L6    [explanation]

This is 1 of 12780 approved meteorites (plus 11 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 19 Mar 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14772 (NWA 14772)

(Northwest Africa)

Purchased: 2021 Jun

Classification: Ordinary chondrite (L6)

History: Purchased by Jason Whitcomb in June 2021 from an Algerian dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Highly recrystallized with rare chondrule remnants. Accessory phases include altered kamacite, troilite, chromite, merrillite, chlorapatite and plagioclase.

Geochemistry: Olivine (Fa24.8±0.3, range Fa24.6-25.4, N = 7), low-Ca pyroxene (Fs21.4±1.0Wo1.5±0.4, range Fs20.7-23.3Wo1.0-1.9, N = 6).

Classification: Ordinary chondrite (L6).

Specimens: 29.55 g including one polished thick section at PSF; remainder with Mr. J. Whitcomb.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021 Jun
Mass (g):459
Pieces:1
Class:L6
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):24.8±0.3
Ferrosilite (mol%):21.4±1.0
Wollastonite (mol%):1.5±0.4
Classifier:(A. Irving, UWS and J. Boesenberg, BrownU)
Type spec mass (g):29.55
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-41; submitted by A. Irving
Institutions
   and collections		 PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
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:
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Geography: 
Coordinates:Unknown.

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

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