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Northwest Africa 10417
Basic information Name: Northwest Africa 10417
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10417
Observed fall: No
Year found: 2015
Country: Morocco
Mass:help 183 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Iron, IAB-MG
Recommended:  Iron, IAB-MG    [explanation]

This is 1 of 112 approved meteorites classified as Iron, IAB-MG.   [show all]
Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 14 Dec 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10417 (NWA 10417)

Morocco

Purchased: 2015 May

Classification: Iron meteorite (IAB-MG)

History: A single specimen was purchased in May 2015 by Fabien Kuntz from a Moroccan dealer in Erfoud.

Petrography: (C. Herd and Y. Orui, UAb): Optical investigation and bandwidth measurement of a 3 × 3.5 cm polished and etched end slice reveals a well-developed Widmanstatten pattern consistent with a coarse octahedrite (average bandwidth = 1.7±0.3 mm, n = 43). Plessite is common. One 4 × 9 mm troilite inclusion was observed.

Geochemistry: Bulk composition (C. Herd and G. Chen, UAb): Ni = 8.1 wt%, Co = 4.8 mg/g; Ir = 2.6, Pt = 5.6, Os = 2.0, Ru = 4.5, Rh = 1.1, Pd = 3.7, Au = 1.5, Ga = 89, As = 16.9, W = 0.8, Re = 0.2, Cu = 171 (all μg/g), obtained by solution ICP-MS using North Chile (Filomena) as an internal standard.

Classification: (C. Herd, UAb): IAB-MG, coarse octahedrite. Composition is consistent with IAB Complex, Main Group (MG), although Ni and As are slightly above the typical Main Group concentrations relative to those reported by Wasson and Kallemeyn (2002).

Specimens: Type specimen of 24.1 g, including a single, 18 g etched end slice, and several smaller pieces (one of which was used for ICP-MS analysis), at UAb. Main mass Kuntz.

Bibliography:
  • Wasson J.T. and Kallemeyn, G.W. (2002) The IAB iron-meteorite complex: A group, five subgroups, numerous grouplets, closely related, mainly formed by crystal segregation in rapidly cooling melts. Geochim. Cosmochim. Acta 66 2445-2473 (link)
Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2015 May
Mass (g):183
Pieces:1
Class:Iron, IAB-MG
Shock stage:low
Weathering grade:low
Classifier:C. Herd, UAb
Type spec mass (g):24.1
Type spec location:UAb
Main mass:F. Kuntz
Comments:Sample number K277; submitted by C. Herd
Institutions
   and collections
UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1374 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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