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Northwest Africa 10364
Basic information Name: Northwest Africa 10364
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10364
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 97.4 g
Meteoritical Bulletin:  MB 106  (2018)  Eucrite-unbr
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 104 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 1 Mar 2017
Writeup from MB 106:

Northwest Africa 10364 (NWA 10364)

(Northwest Africa)

Purchased: 2015 May

Classification: HED achondrite (Eucrite, unbrecciated)

History: Purchased by Fabien Kuntz in May 2015 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Fresh unbrecciated specimen with intersertal texture composed of calcic plagioclase, exsolved pigeonite, silica polymorph, Ti-chromite, ilmenite, troilite and minor zircon. Although unbrecciated, the specimen has cross-cutting microfaults.

Geochemistry: Orthopyroxene host (Fs56.6Wo1.7, FeO/MnO = 34, N = 1), augite exsolution lamella (Fs26.8Wo37.9, FeO/MnO = 30, N = 1), augite host (Fs23.4Wo43.4, FeO/MnO = 31, N = 1), orthopyroxene exsolution lamella (Fs56.6Wo1.7, FeO/MnO = 35, N = 1).

Classification: Eucrite (unbrecciated).

Specimens: 20.2 g including one polished thin section at PSF; main mass with Kuntz.

Data from:
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2015 May
Mass (g):97.44
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):56.7-56.7; 23.4-26.8
Wollastonite (mol%):1.8-1.7; 43.4-37.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.2
Type spec location:PSF
Main mass:Kuntz
Comments:K274; 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 7655 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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