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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 8379 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 DELL'UNIVERSITA' DEGLI STUDI DI FIRENZE Via Giorgio La Pira, 4 – 50121 FIRENZE, Italy; Website (institutional address; updated 14 Jan 2015)
UniFi: Università degli Studi di Firenze, P.zza S. Marco, 4 - 50121 Firenze, Italy (institutional address; updated 14 Sep 2013)
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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     This is 1 of 1894 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater)

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