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Northwest Africa 13618
Basic information Name: Northwest Africa 13618
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13618
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 48 kg
Classification
  history:
Recommended:  L~4    [explanation]

This is 1 of 37 approved meteorites classified as L~4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 19 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13618 (NWA 13618)

Morocco

Purchased: 2019

Classification: Ordinary chondrite (L~4)

History: (Ziyao Wang) Purchased by Fangmei Wang from a Moroccan dealer at the China Mineral & Gem Show in Beijing City in Nov. 2019

Physical characteristics: (Ziyao Wang) Dark gray-yellow stone of 48 kg without fusion crust

Petrography: (R. Bartoschewitz) gray matrix with well-developed, darker gray to gray-black chondrules (0.3-2 mm, mean 0.7 mm), chondrule fragments and irregular metal and sulfide specks below 1 mm

Geochemistry: Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.56

Classification: Ordinary chondrite (L~4, W1)

Specimens: 24.3 g on deposit at Kiel, Fangmei Wang holds the main mass, and 77 g with Bart.

Data from:
  MB109
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Beijing, China
Date:P 2019
Mass (g):48000
Pieces:1
Class:L~4
Weathering grade:W1
Magnetic suscept.:4.56
Classifier:R. Bartoschewitz
Type spec mass (g):24.3
Type spec location:Kiel
Main mass:Fangmei Wang
Finder:anonymous
Comments:working name WZ161; 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)
Beijing: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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)
Wang Ziyao         
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1556 approved meteorites from Morocco (plus 22 unapproved names) (plus 1 impact crater)

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