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Northwest Africa 14416
Basic information Name: Northwest Africa 14416
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14416
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 167 g
Classification
  history:
Recommended:  L4    [explanation]

This is 1 of 2051 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 31 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14416 (NWA 14416)

(Northwest Africa)

Purchased: 2020

Classification: Ordinary chondrite (L4)

History: Purchased by Geologist Juan Avilés Poblador in Fall 2020 from a meteorite dealer in Mauritania.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, Cascadia) This sample is an ordinary chondrite containing chondrules (Av. 750±100 μm, n=14) and accessory Fe-Ni metal and troilite.

Geochemistry: Olivine (Fa23.4±0.9, range Fa22.4-24.1, n=6), Low-Ca Pyroxene (Fs19.8±0.4Wo1.7±0.3, range Fs19.2-20.4Wo1.1-2.0, n=10).

Classification: Ordinary chondrite (L4).

Specimens: 20.1 g and a thin section at Cascadia; main mass with Juan Avilés Poblador.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2020
Mass (g):167
Pieces:1
Class:L4
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):23.4±0.9
Ferrosilite (mol%):19.8±0.4
Wollastonite (mol%):1.7±0.3
Classifier:D. Sheikh, Cascadia
Type spec mass (g):20.1
Type spec location:Cascadia
Main mass:Juan Avilés 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
Find references in NASA ADS:
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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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