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Northwest Africa 11313
Basic information Name: Northwest Africa 11313
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11313
Observed fall: No
Year found: 2016
Country: Morocco
Mass:help 2.1 kg
Meteoritical Bulletin:  MB 106  (2018)  L5-melt breccia
Recommended:  L5-melt breccia    [explanation]

This is 1 of 31 approved meteorites classified as L5-melt breccia.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 4 Jul 2017
Writeup from MB 106:

Northwest Africa 11313 (NWA 11313)

Morocco, (Northwest Africa)

Purchased: Mar 2016

Classification: Ordinary chondrite (L5, melt breccia)

History: A single stone of 2102 g was found by an anonymous person in Western Sahara and purchased 2016 in Erfoud by Hichame Mimaghador.

Physical characteristics: Partially covered by a black fusion crust.

Petrography: (V.Moggi Cecchi, G.Pratesi, S.Caporali, UniFi): Recrystallized shock-melt regions with scattered grains of metal and rounded troilite blebs are visible in the polished thin section. Some regions still display chondrules and mineral fragments.

Geochemistry: (V. Moggi Cecchi, G. Pratesi, S. Caporali, UniFi) Olivine (Fa25.6±0.5, N=7), orthopyroxene (Fs21.1±0.6Wo1.8±0.1, N = 6).

Classification: Ordinary Chondrite (L5-melt breccia); S3; W2.

Specimens: A total of 46 g and one thin section are on deposit at MSN-FI. Mimaghador owns the main mass.

Data from:
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P Mar 2016
Mass (g):2102
Class:L5-melt breccia
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):25.6±0.5 (n=7)
Ferrosilite (mol%):21.1±0.6 (n=6)
Wollastonite (mol%):1.8±0.1
Classifier:V. Moggi Cecchi, S. Caporali, G. Pratesi, MSN-FI
Type spec mass (g):46
Type spec location:MSN-FI
Main mass:Mimaghador
Comments:Submitted by Vanni Moggi Cecchi
   and collections
MSN-FI: Museo di Storia Naturale “La Specola”, Sez. Mineralogia – Sistema Museale dell'Università degli Studi di Firenze Via Giorgio La Pira, 4 – 50121 Firenze, Italy; Website (institutional address; updated 24 Oct 2022)
UniFi: Università degli Studi di Firenze, P.zza S. Marco, 4 - 50121 Firenze, Italy (institutional address; updated 14 Sep 2013)
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Hichame Mimaghador   


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

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