Meteoritical Bulletin: Entry for Northwest Africa 6719

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Northwest Africa 6719

Basic information

Name: Northwest Africa 6719
This is an OFFICIAL meteorite name.
Abbreviation: NWA 6719
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass: 134 g

Classification
history:

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

This is 1 of 388 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 29 Sep 2011

Writeup

Writeup from MB 100:

Northwest Africa 6719 (NWA 6719)

Northwest Africa

Purchased: 2011 Feb

Classification: Ordinary chondrite (LL4)

Petrography: Fragmental genomict breccia consisting of angular chondrite clasts (up to 1 cm) in a fine-grained matrix of related material. Large, well-formed chondrules occur both within clasts and in the matrix. One clast with a completely recrystallized texture was found. Olivine, orthopyroxene, clinopyroxene, sodic plagioclase, altered kamacite, chromite, chlorapatite, troilite and taenite.

Geochemistry: Olivine Fa_29.4-30.0, orthopyroxene Fs_24.1-24.2Wo_1.8-1.7, clinopyroxene Fs_8.3-10.3Wo_45.3-43.6.

Data from:
  MB100
  Table 1
  Line 1494:

Place of purchase:	Agadir
Date:	P 2011 Feb
Mass (g):	134
Pieces:	1
Class:	LL4
Shock stage:	S2
Weathering grade:	W1
Fayalite (mol%):	29.4-30.0
Ferrosilite (mol%):	24.1-24.2
Wollastonite (mol%):	1.8-1.7
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20
Type spec location:	UWS
Main mass:	G. Fujihara
Comments:	GF11-1; 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)

Catalogs:

References:

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

Find references in NASA ADS:
Find references in Google Scholar:

Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Gregor H.
Michael S. Scherman

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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