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Northwest Africa 12504
Basic information Name: Northwest Africa 12504
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12504
Observed fall: No
Year found: 2018
Country: Morocco
Mass:help 435 g
Classification
  history:
Recommended:  LL5    [explanation]

This is 1 of 3132 approved meteorites classified as LL5.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 Aug 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12504 (NWA 12504)

Morocco

Purchased: 2018

Classification: Ordinary chondrite (LL5)

History: (Ziyao Wang) Purchased by Ziyao Wang from Sbai Mohamed at the mineral show in Beijing in Nov. 2018

Physical characteristics: (Ziyao Wang) one irregular stone of 435 gram with fusion crust

Petrography: (R. Bartoschewitz, Bart) recrystallized matrix with recognizable chondrules (av. 0.9 mm), chondrule and mineral fragments.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa28.9±1.7 (n=17); pyroxene Fs23.8±1.0Wo1.8±0.4 (n=11); Ca-pyroxene En46Fs10Wo44 (n=1); chromite CRAL86, FFM92 (n=1); merrillite. Kamacite Ni=5.3, Co=1.5 (n=1); taenite Ni=35.5, Co=0.9 (n=3) (all wt-%). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.31

Classification: Ordinary chondrite (LL5, S2, W2)

Specimens: 20.1 g on deposit at Kiel, Ziyao Wang holds the main mass, and 53 g with Bart.

Data from:
  MB108
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Beijing
Date:P 2018
Mass (g):435
Pieces:1
Class:LL5
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):28.9±1.7 (n=17)
Ferrosilite (mol%):23.8±1.0 (n=11)
Wollastonite (mol%):1.8±0.4
Magnetic suscept.:4.31
Classifier:R. Bartoschewitz
Type spec mass (g):20.1
Type spec location:Kiel
Main mass:Ziyao Wang
Finder:anonymous
Comments:working name WZ101; 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, Lehmweg 53, D-38518 Gifhorn, Germany; Website (private address; updated 4 Aug 2013)
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. 108, in preparation (2019)
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 1402 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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