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Northwest Africa 14001
Basic information Name: Northwest Africa 14001
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14001
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 25 g
Classification
  history:
Recommended:  LL4    [explanation]

This is 1 of 377 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 31 May 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14001 (NWA 14001)

(Northwest Africa)

Purchased: 2020

Classification: Ordinary chondrite (LL4)

History: Purchased in 2020 by Geologist Juan Aviles Poblador from a meteorite dealer at the Tucson gem and mineral show.

Physical characteristics: Single stone with visible fusion crust.

Petrography: (D. Sheikh, Cascadia) This sample contains chondrules (900±100 µm, n=10) set in a fine-grained matrix with accesory troilite, chromite, and Fe-Ni metal.

Geochemistry: Olivine (Fa26.7±0.3 ,range Fa26.1-27.3, n=28), Low-Ca Pyroxene (Fs22.2±0.3Wo1.1±0.1, range Fs21.6-22.7Wo0.9-1.4, n=11).

Classification: Ordinary chondrite (LL4) based on Fa and Fs values, and on average chondrule diameter.

Specimens: 5.1 g and a thin section at Cascadia; main mass with Juan Aviles Poblador.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Tucson, AZ
Date:P 2020
Mass (g):25
Pieces:1
Class:LL4
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):26.7±0.3
Ferrosilite (mol%):22.2±0.3
Wollastonite (mol%):1.1±0.1
Classifier:D. Sheikh, Cascadia
Type spec mass (g):5.1
Type spec location:Cascadia
Main mass:Juan Aviles Poblador
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: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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