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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:
Recommended:  LL4    [explanation]

This is 1 of 384 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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1190 approved meteorites from Algeria (plus 28 unapproved names) (plus 4 impact craters)

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