Meteoritical Bulletin: Entry for Northwest Africa 7211

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Northwest Africa 7211

Basic information

Name: Northwest Africa 7211
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7211
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass: 51.6 g

Classification
history:

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

This is 1 of 384 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 6 Mar 2012

Data from:
  MB100
  Table 1
  Line 1682:

Place of purchase:	ebay
Date:	P 1 Aug 2011
Mass (g):	51.6
Pieces:	1
Class:	LL4
Shock stage:	S1
Weathering grade:	W3
Fayalite (mol%):	27.2±1.5 (n=7)
Ferrosilite (mol%):	19.7
Wollastonite (mol%):	0.5
Classifier:	Alan Rubin, UCLA
Type spec mass (g):	10.4
Type spec location:	UCLA
Main mass:	Scott Feek
Comments:	The sample contains rare polysynthetically twinned low-Ca clinopyroxene grains.; 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:

Coordinates:

Unknown.

Statistics:
This is 1 of 8420 approved meteorites from (Northwest Africa) (plus 1900 unapproved names)

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