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Northwest Africa 11066
Basic information Name: Northwest Africa 11066
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11066
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 1495 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 516 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 14 Feb 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11066 (NWA 11066)

(Northwest Africa)

Purchased: 2016 Nov

Classification: Ureilite

History: Purchased by Darryl Pitt in November 2016 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Relatively coarse grained aggregate of ~85 vol.% olivine and ~12 vol.% low-Ca pyroxene (both orthopyroxene and pigeonite) with accessory graphite and minor calcite. Olivine has reduced magnesian rims containing fine grained, blebby Fe metal. Both olivine and pyroxene have been completely recrystallized to myriad subgrains.

Geochemistry: Olivine (cores Fa22.9-23.9; rim Fa6.5), orthopyroxene (Fs15.0Wo3.6), pigeonite (Fs19.7Wo6.6).

Classification: Ureilite (olivine-rich, recrystallized).

Specimens: 23.5 g including one polished thin section at UWB; remainder with DPitt.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2016 Nov
Mass (g):1495
Pieces:1
Class:Ureilite
Shock stage:high
Weathering grade:low
Fayalite (mol%):22.9-23.9; 6.5
Ferrosilite (mol%):15.0; 19.7
Wollastonite (mol%):3.6; 6.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):23.5
Type spec location:UWB
Main mass:D. Pitt
Comments:MVCH 120; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
Catalogs:
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.
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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