Meteoritical Bulletin: Entry for Northwest Africa 7026

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Northwest Africa 7026

Basic information

Name: Northwest Africa 7026
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7026
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass: 629 g

Classification
history:

Meteoritical Bulletin:	MB 100	(2012)	L6-melt breccia
Recommended:			L6-melt breccia [explanation]

This is 1 of 79 approved meteorites classified as L6-melt breccia. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 3 Mar 2012

Writeup

Writeup from MB 100:

Northwest Africa 7026 (NWA 7026)

(Northwest Africa)

Purchased: Oct 2011

Classification: Ordinary chondrite (L6, melt breccia)

Petrography: Very fresh specimen consisting of rounded chondrite clasts (containing very sparse chondrules) in a fine grained, dark matrix characterized by irregular, shred-like kamacite grains. Minerals are olivine, orthopyroxene, clinopyroxene, sodic plagioclase, chromite and troilitee.

Geochemistry: Olivine (Fa_23.9-25.4), orthopyroxene (Fs_21.5-22.6Wo_1.2), clinopyroxene (Fs_7.8-8.3Wo_44.7-44.6).

Classification: L6 melt breccia, likely paired with NWA 6706

Data from:
  MB100
  Table 1
  Line 1581:

Place of purchase:	Morocco
Date:	P Oct 2011
Mass (g):	629
Pieces:	1
Class:	L6-melt breccia
Shock stage:	S5
Weathering grade:	W1
Fayalite (mol%):	23.9-25.4
Ferrosilite (mol%):	21.5-22.6
Wollastonite (mol%):	1.2
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	21.1
Type spec location:	UWS
Main mass:	GHupé
Comments:	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)
GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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Revision
history:

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