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Northwest Africa 10717
Basic information Name: Northwest Africa 10717
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10717
Observed fall: No
Year found: 2015
Country: Mauritania
Mass:help 30.4 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 660 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 20 Jun 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10717 (NWA 10717)

Mauritania

Purchased: 2015 Dec 1

Classification: Ureilite

History: Purchased 1 Dec 2015 in Mauritania. Recovered from near the border region of Western Sahara, Mauritania and Algeria.

Physical characteristics: Single stone with no fusion crust. A saw-cut surface shows a coarse-grained mixture of olivine and pyroxene, with dark-gray color.

Petrography: (C. Agee, UNM) Olivine and pigeonite are the major minerals in this meteorite. Olivines show reduced rims typical of ureilites. Graphite and metal occupy grain boundaries. Most grains range in size from 500-1500 μm.

Geochemistry: (C. Agee and M. Spilde, UNM) Olivine rims Fa4.2±1.8, Fe/Mn=7±3, n=2; Olivine cores Fa14.2±2.1, Fe/Mn=30±7, Cr2O3=0.69±0.04, n=5; Pigeonite Fs13.8±0.1Wo6.0±0.0, Fe/Mn=21±1, n=6.

Classification: Ureilite

Specimens: 6.5 g including a probe mount on deposit at UNM, DPitt holds the main mass.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2015 Dec 1
Mass (g):30.4
Pieces:1
Class:Ureilite
Shock stage:low
Weathering grade:moderate
Fayalite (mol%):14.2±2.1
Ferrosilite (mol%):13.8±0.1
Wollastonite (mol%):6.0±0.0
Classifier:C. Agee, UNM
Type spec mass (g):6.5
Type spec location:UNM
Main mass:DPitt
Comments:Field name MCVICH019; submitted by C. Agee, UNM
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)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
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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Geography:

Mauritania
Coordinates:Unknown.

Statistics:
     This is 1 of 221 approved meteorites from Mauritania (plus 2 unapproved names) (plus 2 impact craters)
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Revision
  history:
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