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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 1913 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 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 8136 approved meteorites from (Northwest Africa) (plus 1942 unapproved names)

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