Meteoritical Bulletin: Entry for Northwest Africa 5943

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Northwest Africa 5943

Basic information

Name: Northwest Africa 5943
This is an OFFICIAL meteorite name.
Abbreviation: NWA 5943
Observed fall: No
Year found: 2009
Country: Morocco
Mass: 229 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	CV3
Recommended:			CV3 [explanation]

This is 1 of 481 approved meteorites (plus 2 unapproved names) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 14 Jan 2014

Writeup

Writeup from MB 103:

Northwest Africa 5943 (NWA 5943)

Tinedjad area, Morocco

Found: August 2009

Classification: Carbonaceous chondrite (CV3)

Physical characteristics: One dark stone weighing 228.9 g.

Petrography: Chondrules are abundant (60–80%), with sizes ranging from ~50 μm to 1.5 mm. Type II chondrules are scarce. Fe-diffusion is visible at borders in olivine grains in Type I chondrules. Matrix is dominated by Fe-rich olivine (up to 20 μm long). CAIs have sizes ranging from few hundred μm to several mm.

Geochemistry: Olivine in matrix Fa_49.5±3.4(NiO=0.12±0.05 wt%). In Type I chondrules: olivine Fa_0.3-35.1and Ca-poor pyroxene Fs_1.5±0.2Wo_0.7±0.5.

Data from:
  MB103
  Table 0
  Line 0:

State/Prov/County:	Tinedjad area
Origin or pseudonym:	Field No. 907
Date:	August 2009
Mass (g):	228.9
Pieces:	1
Class:	CV3
Fayalite (mol%):	31.0±23.2 (0.3-55.4, N=11)
Ferrosilite (mol%):	12.4 (1.2-30.5, N=5)
Wollastonite (mol%):	14.8 (2.0-43.8)
Classifier:	N. Chaumard and B. Devouard, UBP
Type spec mass (g):	31.8
Type spec location:	MNHNP
Main mass:	P.Thomas
Finder:	Philippe Thomas
Comments:	Submitted by CHAUMARD NOEL BERTRAND DEVOUARD

Institutions
and collections

MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
UBP: Universite Blaise Pascal, Clermont-Ferrand, France (institutional address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full

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Photos:

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

Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 2163 approved meteorites from Morocco (plus 32 unapproved names) (plus 1 impact crater)

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