Meteoritical Bulletin: Entry for Northwest Africa 7454

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Northwest Africa 7454

Basic information

Name: Northwest Africa 7454
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7454
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass: 6 kg

Classification
history:

Meteoritical Bulletin:	MB 102	(2013)	CV3
Recommended:			CV3 [explanation]

This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 6 Sep 2013

Writeup

Writeup from MB 102:

Northwest Africa 7454 (NWA 7454)

(Northwest Africa)

Purchased: 2012 Aug

Classification: Carbonaceous chondrite (CV3)

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

Petrography: (A. Irving and S. Kuehner, UWS) Composed of abundant, mostly rounded chondrules with less abundant amoeboid olivine aggregates (AOA) and irregular, fine-grained CAI in a deep reddish-brown matrix. Minerals identified in CAI include spinel, gehlenite, ulvöspinel, Al-Ti-diopside and rare Pt-bearing fremdlinge.

Geochemistry: Olivine (Fa_1.9-15.4), orthopyroxene (Fs_1.1-1.2Wo_0.9-1.1), subcalcic augite (Fs_1.1-3.5Wo_32.1-34.0).

Classification: Carbonaceous chondrite (CV3).

Data from:
  MB102
  Table 0
  Line 0:

Place of purchase:	Temara
Date:	P 2012 Aug
Mass (g):	6000
Pieces:	1
Class:	CV3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	1.9-15.4
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20
Type spec location:	UWB
Main mass:	A. Aaronson
Comments:	M1394; 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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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Michael Mulgrew
Nuno Chaves
steve sutton
Ziyao Wang

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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