Meteoritical Bulletin: Entry for Northwest Africa 6995

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Northwest Africa 6995

Basic information

Name: Northwest Africa 6995
This is an OFFICIAL meteorite name.
Abbreviation: NWA 6995
Observed fall: No
Year found: 2005
Country: Morocco
Mass: 17.4 g

Classification
history:

Meteoritical Bulletin:	MB 100	(2012)	LL4
Recommended:			LL4 [explanation]

This is 1 of 396 approved meteorites classified as LL4. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 28 Nov 2011

Writeup

Writeup from MB 100:

Northwest Africa 6995 (NWA 6995)

Morocco

Found: 2005

Classification: Ordinary chondrite (LL4)

Petrography: The meteorite is a breccia, which contains about 20 vol.% angular dark chondritic clasts ranging in size from 2 to 6 mm. The clasts are dark because they contain numerous, dispersed 2-5-µm opaque grains (mainly sulfide, but also including minor chromite and accessory metallic Fe-Ni).

Data from:
  MB100
  Table 1
  Line 1565:

Place of purchase:	Los Angeles
Date:	2005
Mass (g):	17.43
Pieces:	1
Class:	LL4
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	28.9±1.2
Ferrosilite (mol%):	22.7
Wollastonite (mol%):	2.2
Classifier:	Alan Rubin, UCLA
Type spec mass (g):	4.38
Type spec location:	UCLA
Main mass:	with purchaser: Sean Tutorow
Comments:	Submitted by Alan Rubin

Institutions
and collections

UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)

Catalogs:

References:

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

Find references in NASA ADS:
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Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)

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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