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Northwest Africa 13894
Basic information Name: Northwest Africa 13894
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13894
Observed fall: No
Year found: 2020
Country: Morocco
Mass:help 890 g
Classification
  history:
Recommended:  L5-melt breccia    [explanation]

This is 1 of 26 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 24 Jul 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13894 (NWA 13894)

Morocco

Purchased: 2020

Classification: Ordinary chondrite (L5, melt breccia)

History: (Ziyao Wang) Purchased by Ziyao Wang from Fayssal Mezgouri in Agadir, Morocco, Nov 2020.

Physical characteristics: (Ziyao Wang) Gray-black oval stones of 890 g, with some fusion crust

Petrography: (R. Bartoschewitz, Bart) rounded lithic clasts composed of well outlined chondrules, chondrule and mineral fragments set in a black melt.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa23.1-24-5 (n=11); low-Ca pyroxene Fs19.4-23.2Wo1.0-3.2 (n=8); Ca-pyroxene En59-14Fs12-7Wo20-29 (n=2); kamacite Co 0.8 wt% (n=1). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 5.36.

Classification: Ordinary chondrite (L5 melt breccia)

Specimens: 20.3 g on deposit at Kiel, Ziyao Wang holds the main mass, and 89 g with Bart.

Data from:
  MB110
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Agadir, Morocco
Date:P 2020
Mass (g):890
Pieces:1
Class:L5-melt breccia
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):23.4±0.4 (n=18)
Ferrosilite (mol%):20.4±1.4 (n=6)
Wollastonite (mol%):1.7±0.8
Magnetic suscept.:5.36
Classifier:R. Bartoschewitz
Type spec mass (g):20.3
Type spec location:Kiel
Main mass:Ziyao Wang
Finder:anonymous
Comments:working name WZ175; submitted by R. Bartoschewitz
Institutions
   and collections
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Ziyao Wang      
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1676 approved meteorites from Morocco (plus 25 unapproved names) (plus 1 impact crater)

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