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Northwest Africa 11018
Basic information Name: Northwest Africa 11018
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11018
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 120.3 g
Meteoritical Bulletin:  MB 106  (2018)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 605 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 3 Mar 2017
Writeup from MB 106:

Northwest Africa 11018 (NWA 11018)

(Northwest Africa)

Purchased: 2016 Jun

Classification: Ureilite

History: Purchased by Fabien Kuntz in June 2016 from a dealer in Zagora, Morocco, and subsequently sold to Ni Luh Wayan Elisa Gonzales.

Petrography: (A. Irving and S. Kuehner, UWS) Protogranular aggregate of ~90 vol.% olivine (with dark, more magnesian rims containing blebs of Fe metal) and ~10 vol.% pigeonite.

Geochemistry: Olivine (cores Fa14.0-14.4; rim Fa2.3; N = 3), pigeonite (Fs11.8-12.0Wo10.2-10.3, N = 2).

Classification: Ureilite (magnesian). This specimen is unusual in having relatively magnesian silicate compositions in comparison with most ureilites.

Specimens: 21.23 g including one polished thin section at PSF; remainder with Ms. Ni Luh Wayan Elisa Gonzales.

Data from:
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2016 Jun
Mass (g):120.26
Shock stage:high
Weathering grade:low
Fayalite (mol%):14.0-14.4
Ferrosilite (mol%):11.8-12.0
Wollastonite (mol%):10.2-10.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.23
Type spec location:PSF
Main mass:N. Gonzales
Comments:K309; submitted by A. Irving
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Kuntz: Fabien Kuntz, France; Website (private address)
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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     This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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