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Northwest Africa 10047
Basic information Name: Northwest Africa 10047
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10047
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 66.1 g
Meteoritical Bulletin:  MB 104  (2015)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 605 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 7 Apr 2015
Writeup from MB 104:

Northwest Africa 10047 (NWA 10047)

(Northwest Africa)

Purchased: January 2015

Classification: Ureilite

History: Purchased in New York City from a Moroccan dealer.

Physical characteristics: One piece with weathered fusion crust. A sawn surface shows a dark brown, poikilitic texture.

Petrography: (C. Agee, UNM) This is a diamond-bearing ureilite. The diamonds have elongate habits and aggregates are up to ~2 mm in length. Olivine and pigeonite grains have reduction-rim zoning profiles. There is fine-grained metal and oxidized metal throughout, especially mantling diamond. Accessory troilite is present.

Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa15.9±4.0, Fe/Mn=31±9, Cr2O3=0.53±0.11 (wt%), n=10; pigeonite Fs13.6±2.7Wo7.3±2.0, Fe/Mn=21±6, Cr2O3=1.03±0.07 (wt%), n=10.

Classification: Ureilite, diamond bearing.

Specimens: 15.1 g including a probe mount on deposit at UNM, DPitt holds the main mass.

Data from:
  Table 0
  Line 0:
Place of purchase:New York City
Date:P January 2015
Mass (g):66.1
Shock stage:low
Weathering grade:moderate
Fayalite (mol%):15.9±4.0
Ferrosilite (mol%):13.6±2.7
Wollastonite (mol%):7.3±2.0
Classifier:C. Agee, UNM
Type spec mass (g):15.1
Type spec location:UNM
Main mass:Darryl Pitt
Comments:Field name MAC 111; submitted by C. Agee, UNM
   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)
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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     This is 1 of 8509 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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