Meteoritical Bulletin: Entry for Northwest Africa 6207

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Northwest Africa 6207

Basic information

Name: Northwest Africa 6207
This is an OFFICIAL meteorite name.
Abbreviation: NWA 6207
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass: 2.22 kg

Classification
history:

Recommended:

CV3 [explanation]

This is 1 of 624 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 11 Dec 2022

Writeup

Writeup from MB 111:

Northwest Africa 6207 (NWA 6207)

(Northwest Africa)

Purchased: 2010 Jan

Classification: Carbonaceous chondrite (CV3)

Petrography: (K. Metzler, IfP) Chondrules, CAIs and AOAs are embedded in a fine-grained dark matrix (~40 vol% matrix). Most chondrules have apparent diameters between 0.3 and 1.5 mm, some up to 3 mm. Type II chondrules are rare.

Geochemistry: Mineral compositions and geochemistry: Random measurements of olivine grains revealed Fa_18.3±14.6(Fa_0.8-41.8); n=20. Random measurements of low-Ca pyroxene grains revealed Fs_2.0±0.8Wo_0.7±0.4(Fs_0.6-3.6Wo_0.3-1.8); n=18.

Data from:
  MB111
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2010 Jan
Mass (g):	2215
Pieces:	1
Class:	CV3
Shock stage:	C-S2
Weathering grade:	W2
Fayalite (mol%):	18.3±14.6
Ferrosilite (mol%):	2.0±0.8
Wollastonite (mol%):	0.7±0.4
Classifier:	K. Metzler, IfP
Type spec mass (g):	21
Type spec location:	IfP
Main mass:	Mirko Graul, Bernau, Germany
Comments:	Submitted by K. Metzler, IfP

Institutions
and collections

IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 111, in preparation (2022)

Find references in NASA ADS:
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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
David L. Ribeca
Jean-Michel Masson

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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