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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 8373 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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1887 approved meteorites from Morocco (plus 26 unapproved names) (plus 1 impact crater)

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