Meteoritical Bulletin: Entry for Northwest Africa 10194

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Northwest Africa 10194

Basic information

Name: Northwest Africa 10194
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10194
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass: 11 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	EL4
Recommended:			EL4 [explanation]

This is 1 of 21 approved meteorites classified as EL4. [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites

Comments:

Approved 30 Jun 2015

Writeup

Writeup from MB 104:

Northwest Africa 10194 (NWA 10194)

(Northwest Africa)

Purchased: 2008 Feb

Classification: Enstatite chondrite (EL4)

History: Purchased by Philip Mani in February 2008 from a Moroccan dealer at the Tucson Gem and Mineral Show.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed spherical chondrules (diameter up to 2.8 mm) are set within a finer matrix containing abundant altered metal.

Geochemistry: Enstatite (Fs_0.3-0.5Wo_0.4-0.5, N = 3), kamacite (Ni 5.3-6.0 wt.%, Co 0.5 wt.%, Si 0.3 wt.%, N = 2).

Classification: Enstatite chondrite (EL4).

Specimens: 2.44 g including one polished thin section at UWB; the remainder is held by Mr. P. Mani.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Tucson
Date:	P 2008 Feb
Mass (g):	11.0
Pieces:	1
Class:	EL4
Shock stage:	S2
Weathering grade:	W2/3
Ferrosilite (mol%):	0.3-0.5
Wollastonite (mol%):	0.4-0.5
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	2.44
Type spec location:	UWB
Main mass:	P. Mani
Comments:	PCM15-G; 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)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9368 approved meteorites from (Northwest Africa) (plus 1875 unapproved names)

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