Meteoritical Bulletin: Entry for Northwest Africa 7175

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Northwest Africa 7175

Basic information

Name: Northwest Africa 7175
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7175
Observed fall: No
Year found: 2006
Country: Algeria
Mass: 400 g

Classification
history:

Meteoritical Bulletin:	MB 100	(2012)	LL6
Recommended:			LL6 [explanation]

This is 1 of 2930 approved meteorites (plus 2 unapproved names) classified as LL6. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 1 Feb 2012

Writeup

Writeup from MB 100:

Northwest Africa 7175 (NWA 7175)

Algeria

Found: 2005

Classification: Ordinary chondrite (LL6)

History: A fireball seen on November 25, 2005, from Tindouf, Algeria, in the direction of Tazarine, Morocco, may be associated with this meteorite found in the Hamada du Draa side in Algeria. All stones are fully crusted. The largest stone (113 g) is oriented.

Data from:
  MB100
  Table 1
  Line 1656:

Place of purchase:	Erfoud
Date:	2005
Mass (g):	>400
Pieces:	>25
Class:	LL6
Weathering grade:	W0
Fayalite (mol%):	27.5±0.2
Ferrosilite (mol%):	22.7±1.6
Wollastonite (mol%):	1.6±0.2
Magnetic suscept.:	3.76
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	20
Type spec location:	CEREGE
Main mass:	P. Thomas
Comments:	Submitted by J. Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)

Catalogs:

References:

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

Find references in NASA ADS:
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Geography:

Algeria

Coordinates:

Unknown.

Statistics:
This is 1 of 1356 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)

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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