Meteoritical Bulletin: Entry for Northwest Africa 7832

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Northwest Africa 7832

Basic information

Name: Northwest Africa 7832
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7832
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass: 11.92 kg

Classification
history:

Meteoritical Bulletin:	MB 102	(2013)	H6
Recommended:			H6 [explanation]

This is 1 of 6825 approved meteorites (plus 6 unapproved names) classified as H6. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 28 Jun 2013

Writeup

Writeup from MB 102:

Northwest Africa 7832 (NWA 7832)

(Northwest Africa)

Purchased: 2012

Classification: Ordinary chondrite (H6)

History: Purchased by Adam Aaronson in Temara, Morocco in 2012.

Petrography: (A. Irving and S. Kuehner, UWS) Almost entirely recrystallized with very sparse, small remnant chondrules and chondrule fragments. Olivine, orthopyroxene, augite, sodic plagioclase, chromite, merrillite, altered kamacite and troilite. Subparallel, thin secondary veinlets of goethite are fairly abundant.

Geochemistry: Olivine (Fa_19.4-19.5), orthopyroxene (Fs_17.1-17.3Wo_1.1-1.4), augite (Fs_6.5-6.8Wo_44.7-44.3).

Classification: Ordinary chondrite (H6). Likely paired with NWA 7715.

Specimens: A total of 33 g of material and one polished thin section are on deposit at UWB. Aaronson holds the main mass.

Data from:
  MB102
  Table 0
  Line 0:

Place of purchase:	Temara
Date:	P 2012
Mass (g):	11922
Pieces:	1
Class:	H6
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	19.4-19.5
Ferrosilite (mol%):	17.1-17.3
Wollastonite (mol%):	1.1-1.4
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	33
Type spec location:	UWB
Main mass:	Aaronson
Comments:	M1208B; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015

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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
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