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Northwest Africa 2052
Basic information Name: Northwest Africa 2052
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2052
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass:help 226 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  L5
Recommended:  L5    [explanation]

This is 1 of 8890 approved meteorites (plus 5 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 29 May 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 2052 (NWA 2052)

(Northwest Africa)

Purchased: 2003

Classification: Ordinary chondrite (L5)

History: Purchased by Mike Farmer in 2003 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Sparse chondrules occur in a largely recrystallized assemblage containing accessory sodic plagioclase, chromite, kamacite, troilite and chlorapatite.

Geochemistry: Olivine (Fa25.0±0.5, range Fa24.5-25.6, N = 6), low-Ca pyroxene (Fs21.1±0.4Wo1.5±0.4, range Fs20.5-21.3Wo1.2-2.1, N = 4), augite (Fs8.2Wo44.3).

Classification: Ordinary chondrite (L5).

Specimens: 22.6 g including one polished thin section is at PSF; remainder with Mr. M. Farmer.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2003
Mass (g):226
Pieces:1
Class:L5
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):25.0±0.5
Ferrosilite (mol%):21.1±0.4
Wollastonite (mol%):1.5±0.4
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):22.6
Type spec location:PSF
Main mass:M. Farmer
Comments: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., 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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