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Northwest Africa 11373
Basic information Name: Northwest Africa 11373
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11373
Observed fall: No
Year found: 2001
Country: (Northwest Africa)
Mass:help 3.2 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 13 Oct 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11373 (NWA 11373)

(Northwest Africa)

Purchased: Feb 2001

Classification: Ureilite

History: Purchased in Rissani from a meteorite dealer (2001) by Bruno and Carine Fectay, and given to Jean-Alix Barrat (IUEM) in 2003. The purchased chip is from a larger mass of unknown current location.

Physical characteristics: One fragment from a larger stone.

Petrography: Protogranular aggregate of olivine and pigeonite. Olivine grains have reduced magnesian rims containing blebs of Fe metal. Grain boudaries are marked by carbonaceous material and trace amounts of troilite and metal (partly altered to terrestrial oxides).

Geochemistry: Olivine cores Fa18.7±0.1, Fe/Mn=41.5±0.7, Cr2O3 0.67±0.01 wt%, CaO=0.32±0.01 (N=10), olivine rims Fa8-10 (N=3), pigeonite Fs16.1±0.2Wo7.9±0.1 (N=7).

Classification: ureilite

Specimens: 3.2 g including a polished thick section

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Rissani
Date:P Feb 2001
Mass (g):3.2
Pieces:1
Class:Ureilite
Weathering grade:low
Fayalite (mol%):18.7±0.1 (N=10)
Ferrosilite (mol%):16.1±0.2 (N=7)
Wollastonite (mol%):7.9±0.1 (N=7)
Classifier:J.-A. Barrat, IUEM
Type spec mass (g):3.2
Type spec location:IUEM
Main mass:IUEM
Finder:anonymous
Comments:work name JAB 16; submitted by Jean-Alix Barrat
Institutions
   and collections
IUEM: Institut Universitaire Européen de la Mer, Université de Bretagne Occidentale, place Nicolas Copernic, F-29280 Plouzané Cedex, France (institutional address; updated 15 Sep 2017)
Fectay: Bruno Fectay and Carine Bidaut, La Memoire de la Terre SARL, 39800 Aumont, France; 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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