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Northwest Africa 12881
Basic information Name: Northwest Africa 12881
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12881
Observed fall: No
Year found: 2017
Country: Morocco
Mass:help 1108 g
Classification
  history:
Recommended:  Iron, IIAB    [explanation]

This is 1 of 138 approved meteorites classified as Iron, IIAB.   [show all]
Search for other: IIAB irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 20 Oct 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12881 (NWA 12881)

Morocco

Purchased: 2017 Nov

Classification: Iron meteorite (IIAB)

History: The meteorite was purchased in Morocco from a dealer.

Petrography: (Y. Shen, UWO) Fresh interior, hexahedrite texture with kamacite, plessite, and phosphides found by BSE imaging in the polished mount.

Geochemistry: (Y. Shen, UWO) Elemental composition in %: Co=0.51 and Ni= 7.1; and in ppm: Cr=56, Ga=60, As=5.6, Ru=19, Pt 26, Ir=3.5 and Au=1.2. EMPA: taenite Ni 23-36 wt% and kamacite Ni 2-7 wt% in plessite.

Classification: Iron, IIAB

Specimens: 22.0g at UWO including a polished mount.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017 Nov
Mass (g):1108 g
Pieces:2
Class:Iron, IIAB
Weathering grade:low
Classifier:(Yang Shen, UWO)
Type spec mass (g):22.0 g
Type spec location:UWO
Main mass:S. Tutorow
Finder:Unknown
Comments:work name G687; submitted by A. Bouvier, UWO
Institutions
   and collections
UWO: University of Western Ontario, Department of Earth Sciences, BGS 1026, 1151 Richmond St. N, London, Ontario, Canada N6A 5B7, Canada (institutional address; updated 18 Jul 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1406 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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