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Northwest Africa 14356
Basic information Name: Northwest Africa 14356
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14356
Observed fall: No
Year found: 2020
Country: Morocco
Mass:help 31 g
Recommended:  L5    [explanation]

This is 1 of 8690 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 17 Oct 2021
Writeup from MB 110:

Northwest Africa 14356 (NWA 14356)


Purchased: 2020 Jun

Classification: Ordinary chondrite (L5)

History: A small single stone weighing 31 g was purchased by Salaheddin Samrani at Erfoud in June 2020

Physical characteristics: The main mass is almost completely covered by black fusion crust.

Petrography: (V.Moggi Cecchi, L.Fabrizi, G.Pratesi UniFi): The thin section shows an equilibrated chondritic texture. Various chondrule types are visible (PP, PO, RP and BO), set in a fine grained matrix. Both olivine and orthopyroxene are homogeneous. The main opaque phases are Iron oxides, Fe-Ni alloys and troilite, scattered in the matrix as individual grains.

Geochemistry: EMP (V.Moggi Cecchi, L.Fabrizi, G.Pratesi UniFi); Olivine in both chondrules and matrix (Fa23.7±0.7Fo76.3±0.6; Fe/Mn = 49; n=14); low-Ca pyroxene in both chondrules and matrix (Fs19.4±0.8En79.6±07Wo1.1±0.3; Fe/Mn = 23, n=16);

Classification: Ordinary Chondrite (L5); S1; W1;

Specimens: The main mass, weighing 25 g, is owned by Salaheddin Samrani; the type specimen, weighing 5.2 g, and one thin section are on deposit at MSN-FI (Inventory # I-3662).

Data from:
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2020 Jun
Mass (g):31
Shock stage:S1
Weathering grade:W1
Fayalite (mol%):23.7±0.7 (N=14)
Ferrosilite (mol%):19.4±0.8 (N=16)
Wollastonite (mol%):1.1±0.1
Classifier:V. Moggi Cecchi, L. Fabrizi, G. Pratesi
Type spec mass (g):6.2
Type spec location:MSN-FI
Main mass:Samrani
Comments:Field SAM1;Inv.# I-3662;; submitted by Vanni Moggi Cecchi
   and collections
SAM: Department of Mineralogy, South Australian Museum, North Terrace, Adelaide, South Australia 5000, Australia; Website (institutional address; updated 18 Oct 2011)
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., 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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     This is 1 of 2003 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)

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