Meteoritical Bulletin: Entry for Northwest Africa 10364

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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: 97.4 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	Eucrite-unbr
Recommended:			Eucrite-unbr [explanation]

This is 1 of 144 approved meteorites classified as Eucrite-unbr. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 1 Mar 2017

Writeup

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 (Fs_56.6Wo_1.7, FeO/MnO = 34, N = 1), augite exsolution lamella (Fs_26.8Wo_37.9, FeO/MnO = 30, N = 1), augite host (Fs_23.4Wo_43.4, FeO/MnO = 31, N = 1), orthopyroxene exsolution lamella (Fs_56.6Wo_1.7, 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:
  MB106
  Table 0
  Line 0:

Place of purchase:	Erfoud
Date:	P 2015 May
Mass (g):	97.44
Pieces:	3
Class:	Eucrite-unbr
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

Institutions
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)

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.

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Domjan Svilkovic

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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