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Northwest Africa 13389
Basic information Name: Northwest Africa 13389
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13389
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 82 g
Classification
  history:
Recommended:  L5    [explanation]

This is 1 of 8641 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 2 Aug 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13389 (NWA 13389)

Morocco

Find: 2019

Classification: Ordinary chondrite (L5)

History: Purchased online in 2019 by Daniel Sheikh from a seller in Morocco.

Physical characteristics: Sample contains a dark-brown fusion crust.

Petrography: (D. Sheikh, FSU) Sample is an equilibrated ordinary chondrite with blurred chondrule boundaries (Av. 650±50 µm, n=5) and contains olivine, orthopyroxene, Fe-Ni metal, troilite, iron oxide, and secondary recrystallized plagioclase (20±5 µm).

Geochemistry: Olivine (Fa23.1±0.6, n=18), Orthopyroxene (Fs21.2±0.7Wo1.1±0.2, n=16).

Classification: Ordinary Chondrite (L5) Based on Fa and Fs homogeneity, secondary recrystallized plagioclase grain size, and magnetic susceptibility.

Specimens: 29.7 grams at UCLA; main mass with Daniel Sheikh.

Data from:
  MB109
  Table 0
  Line 0:
Date:2019
Mass (g):82
Pieces:1
Class:L5
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):23.1±0.6 (N=18)
Ferrosilite (mol%):21.2±0.7 (N=16)
Wollastonite (mol%):1.1±0.2 (N=16)
Magnetic suscept.:4.91
Classifier:D. Sheikh, FSU
Type spec mass (g):29.7
Type spec location:UCLA
Main mass:Daniel Sheikh
Comments:Submitted by Daniel Sheikh
Institutions
   and collections		 UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1991 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)

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