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Northwest Africa 12903
Basic information Name: Northwest Africa 12903
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12903
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 133 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  LL~5
Recommended:  LL~5    [explanation]

This is 1 of 20 approved meteorites classified as LL~5.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 21 Sep 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12903 (NWA 12903)

Morocco

Purchased: 2019

Classification: Ordinary chondrite (LL~5)

History: (Ziyao Wang) Purchased by Wei Jiang from a Moroccan dealer at the mineral show in Chenzhou in May, 2019?; sold to Ziyao Wang in Jun 2019.

Physical characteristics: (Ziyao Wang) Reddish brown stone of 133 g with little fusion crust.

Petrography: (R. Bartoschewitz, Bart) brown recrystallized matrix with chondrules (av. 0.9 mm). Metal is completely and sulfide mostly oxidized.

Geochemistry: Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.28

Classification: Ordinary chondrite (LL~5, W4)

Specimens: 20.8 g on deposit at Kiel, Ziyao Wang holds the main mass, and 45 g with Bart.

Data from:
  MB108
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Chenzhou, China
Date:P 2019
Mass (g):133
Pieces:1
Class:LL~5
Weathering grade:W4
Magnetic suscept.:4.28
Classifier:R. Bartoschewitz
Type spec mass (g):20.8
Type spec location:Kiel
Main mass:Ziyao Wang
Finder:anonymous
Comments:working name WZ139; 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. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1523 approved meteorites from Morocco (plus 22 unapproved names) (plus 1 impact crater)

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