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Northwest Africa 14277
Basic information Name: Northwest Africa 14277
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14277
Observed fall: No
Year found: 2020
Country: Morocco
Mass:help 350 g
Classification
  history:
Recommended:  L5    [explanation]

This is 1 of 8504 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 6 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14277 (NWA 14277)

Morocco

Find: 2020

Classification: Ordinary chondrite (L5)

History: Purchased in 2020 by Alex Folta from Mohamed el Guirah in Morocco.

Physical characteristics: Sample displays 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. ~ 30 µm) and accessory Fe-Ni metal and troilite.

Geochemistry: Olivine (Fa24.4±0.4, range Fa23.5-24.9, n=16), Low-Ca Pyroxene (Fs20.4±0.5 Wo1.9±0.4, range Fs19.7-21.6 Wo1.4-2.6, n=22).

Classification: Ordinary chondrite (L5).

Specimens: 49.8 grams and a thin section at Cascadia; 202.5g main mass with David Martin.

Data from:
  MB110
  Table 0
  Line 0:
Date:2020
Mass (g):350
Pieces:many
Class:L5
Shock stage:S4
Weathering grade:W2
Fayalite (mol%):24.4±0.4
Ferrosilite (mol%):20.4±0.5
Wollastonite (mol%):1.9±0.4
Classifier:D. Sheikh, Cascadia
Type spec mass (g):49.8
Type spec location:Cascadia
Main mass:David Martin
Comments:V2; 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:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1932 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater)

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