Meteoritical Bulletin: Entry for Northwest Africa 8722

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Northwest Africa 8722

Basic information

Name: Northwest Africa 8722
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8722
Observed fall: No
Year found: 2006
Country: Morocco
Mass: 8.1 kg

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	CV3
Recommended:			CV3 [explanation]

This is 1 of 565 approved meteorites (plus 1 unapproved name) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 2 Feb 2015

Writeup

Writeup from MB 104:

Northwest Africa 8722 (NWA 8722)

Morocco

Purchased: 2006

Classification: Carbonaceous chondrite (CV3)

History: A single 8.1 kg stone was purchased in Erfoud by an anonymous person.

Physical characteristics: The main mass is partially crusted.

Petrography: The meteorite consists of ca. 40% diverse chondrules (typically mm-sized), 8% refractory inclusions, 2% lithic inclusions/fragments of mm to cm-size, and 50% matrix. The lithic inclusion are of dark or CO chondrite-like texture. The matrix is light brown and somewhat weathered with no visible metal.

Geochemistry: Olivine, Fa_23±13(Fa_2-40, n=38); low-Ca pyroxene, Fs_5±1(Fs_1-21; n= 12).

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Erfoud
Date:	P 2006
Mass (g):	8100
Pieces:	1
Class:	CV3
Fayalite (mol%):	23±13
Ferrosilite (mol%):	5±1
Wollastonite (mol%):	1±1
Classifier:	H. Haack, NHMD
Type spec mass (g):	20.0 g
Type spec location:	NHMD
Main mass:	With anonymous owner
Comments:	Submitted by Henning Haack

Institutions
and collections

NHMD: Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen K, Denmark. , Denmark; Website (institutional address; updated 17 Aug 2012)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full

Find references in NASA ADS:
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Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 1670 approved meteorites from Morocco (plus 23 unapproved names) (plus 1 impact crater)

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