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Northwest Africa 14002
Basic information Name: Northwest Africa 14002
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14002
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 640 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 824 approved meteorites (plus 1 unapproved name) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 31 May 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14002 (NWA 14002)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (L3)

History: Purchased in 2019 by Geologist Juan Aviles Poblador from a meteorite dealer in Morocco.

Physical characteristics: Single stone with visible fusion crust.

Petrography: (D. Sheikh, Cascadia) This sample contains chondrules (640±100 µm, n=11) set in a fine-grained matrix with accesory Fe-Ni metal.

Geochemistry: Olivine (Fa17.9±11.5 ,range Fa2.2-48.4, n=50), Low-Ca Pyroxene (Fs8.6±6.7Wo1.2±0.8, range Fs1.1-24.4Wo0.5-3.2, n=15).

Classification: Ordinary chondrite (L3) based on range in Fa and Fs values, and on average chondrule diameter.

Specimens: 29 g and a thin section at Cascadia; main mass with Juan Aviles Poblador.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019
Mass (g):640
Pieces:1
Class:L3
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):17.9±11.5
Ferrosilite (mol%):8.6±6.7
Wollastonite (mol%):1.2±0.8
Classifier:D. Sheikh, Cascadia
Type spec mass (g):29
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 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 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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