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Northwest Africa 12509
Basic information Name: Northwest Africa 12509
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12509
Observed fall: No
Year found: 2018
Country: Morocco
Mass:help 114.5 g
Classification
  history:
Recommended:  Eucrite    [explanation]

This is 1 of 441 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 14 Sep 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12509 (NWA 12509)

Morocco

Purchased: 2018

Classification: HED achondrite (Eucrite)

History: (Ziyao Wang) Purchased by Ziyao Wang from Fayssal Mezgouri in Agadir, Morocco, Nov 2018.

Physical characteristics: (Ziyao Wang) one irregularly shaped stone of 114.5 g with recognizable brecciated structure on the surface, without fusion crust.

Petrography: (R. Bartoschewitz, Bart) recrystallized ophitic texture composed of pyroxene and feldspar cut by melt veins.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Pyroxene Fs60.3±0.8Wo2.9±0.7 (n=11), Fe/Mn=31; pigeonite En36Fs59Wo4 (n=2); augite En31Fs37Wo32 (n=2); feldspar An89Or<1 (n=8); chromite CRAL84, FFM98 (n=1); ilmenite. Kamacite Ni=5.1, Co=0.6 (n=2) (all wt-%); troilite. Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 3.39

Classification: Achondrite (eucrite, basaltic)

Specimens: 20.1 g on deposit at Kiel, Ziyao Wang holds the main mass, and 16 g with Bart.

Data from:
  MB108
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Agadir, Morocco
Date:P 2018
Mass (g):114.5
Pieces:1
Class:Eucrite
Ferrosilite (mol%):60.3±0.8 (n=11)
Wollastonite (mol%):2.9±0.7
Magnetic suscept.:3.39
Classifier:R. Bartoschewitz
Type spec mass (g):20.1
Type spec location:Kiel
Main mass:Ziyao Wang
Finder:anonymous
Comments:working name WZ97; 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)
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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