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Northwest Africa 10567
Basic information Name: Northwest Africa 10567
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10567
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 323 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Martian (shergottite)
Recommended:  Martian (shergottite)    [explanation]

This is 1 of 191 approved meteorites (plus 1 unapproved name) classified as Martian (shergottite).   [show all]
Search for other: Martian meteorites
Comments: Approved 16 Mar 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10567 (NWA 10567)

(Northwest Africa)

Purchased: 2014

Classification: Martian meteorite (Shergottite)

History: Purchased by Aziz Habibi in Morocco, 2014.

Physical characteristics: Two identical appearing stones (276 and 47 g) with weathered fusion crust, some light-colored desert sediment coating. A broken surface reveals fine-grained, light gray-green basaltic texture.

Petrography: (C. Agee, UNM) Microprobe examination of a polished epoxy mount shows ~10% olivine, ~60% pyroxene, ~25% maskelynite, ubiquitous Cr-Ti-Fe oxides and troilite. Pyroxenes and olivines show igneous zonation in BSE images. Heavily shocked, with grain size from ~50-500 μm.

Geochemistry: (C. Agee and N. Muttik, UNM) EMPA. Olivine Fa49.9±4.9, Fe/Mn=55±1, n=24; pigeonite Fs31.8±4.6Wo10.1±2.2, Fe/Mn=31±2, n=36; augite Fs24.0±2.6Wo29.4±5.0, Fe/Mn=29±2, n=7; maskelynite Or3.1±0.5Ab48.5±3.0An48.3±3.4, n=12.

Classification: Achondrite (Martian basalt), olivine-phyric shergottite, zoned olivines and pigeonites show significant iron-enrichment trend.

Specimens: 20.4 g including microprobe mount on deposit UNM, Aziz Habibi holds 190 g, Jean Redelsperger holds 56 g, Jay Piatek holds 47 g.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2014
Mass (g):323
Pieces:2
Class:Martian (shergottite)
Shock stage:high
Weathering grade:low
Fayalite (mol%):49.9±4.9
Ferrosilite (mol%):31.8±4.6, 24.0±2.6
Wollastonite (mol%):10.1±2.2, 29.4±5.0
Classifier:C. Agee, UNM
Type spec mass (g):20.4
Type spec location:UNM
Main mass:Aziz Habibi
Comments:Submitted by C. Agee
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Allmeteorite.com   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6877 approved meteorites from (Northwest Africa) (plus 2037 unapproved names)

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