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Northwest Africa 14211
Basic information Name: Northwest Africa 14211
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14211
Observed fall: No
Year found: 2018
Country: Algeria
Mass:help 840 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  LL4
Recommended:  LL4    [explanation]

This is 1 of 396 approved meteorites classified as LL4.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 18 Sep 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14211 (NWA 14211)

Algeria

Purchased: 2018

Classification: Ordinary chondrite (LL4)

History: Purchased by David Fletcher in 2019 from Mostapha in Algeria.

Physical characteristics: Sample displays a slightly weathered fusion crust.

Petrography: (D. Sheikh, Cascadia) Specimen is an ordinary chondrite containing chondrules (up to ~1.1 mm) and accessory troilite.

Geochemistry: Olivine (Fa29.6±0.9, range Fa28.7-33.2, n=21), Low-Ca Pyroxene (Fs23.9±0.4Wo1.7±0.2, range Fs23.1-24.3Wo1.4-1.9, n=10).

Classification: Ordinary chondrite (LL4).

Specimens: 21.3 g and a thin section at Cascadia; main mass with David Fletcher.

Data from:
  MB110
  Table 0
  Line 0:
Date:P 2018
Mass (g):840
Pieces:3
Class:LL4
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):29.6±0.9
Ferrosilite (mol%):23.9±0.4
Wollastonite (mol%):1.7±0.2
Classifier:D. Sheikh, Cascadia
Type spec mass (g):21.3
Type spec location:Cascadia
Main mass:David Fletcher
Comments:Submitted by Daniel Sheikh
Institutions
   and collections		 Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
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:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1356 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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