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Northwest Africa 14205
Basic information Name: Northwest Africa 14205
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14205
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 200 g
Classification
  history:
Recommended:  L5    [explanation]

This is 1 of 8604 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 18 Sep 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14205 (NWA 14205)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (L5)

History: Purchased in 2019 by Grant Harkness from a meteorite dealer in Morocco.

Physical characteristics: Single stone with dark-brown fusion crust. A shock vein is visible and cuts across the interior of the sample.

Petrography: (D. Sheikh, Cascadia) This sample is an ordinary chondrite containing secondary recrystallized feldspar (Av. 25±10 μm) and accessory Fe-Ni metal, troilite, and chromite.

Geochemistry: Olivine (Fa25.6±1.1, range Fa23.9-27.7, n=13), Low-Ca Pyroxene (Fs21.2±0.9Wo1.3±0.2, range Fs20.4-22.9Wo1.0-1.8, n=14).

Classification: Ordinary chondrite (L5).

Specimens: 24 grams and a thin section at Cascadia; main mass with the Harkness Collection.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019
Mass (g):200
Pieces:1
Class:L5
Shock stage:S4
Weathering grade:W3
Fayalite (mol%):25.6±1.1
Ferrosilite (mol%):21.2±0.9
Wollastonite (mol%):1.3±0.2
Classifier:D. Sheikh, Cascadia
Type spec mass (g):24
Type spec location:Cascadia
Main mass:Harkness Collection
Comments:Working name: HC-S-1; 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 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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