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Northwest Africa 5956
Basic information Name: Northwest Africa 5956
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5956
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass:help 285 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  CK3
Recommended:  CK3    [explanation]

This is 1 of 37 approved meteorites classified as CK3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites
Comments: Approved 19 Sep 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 5956 (NWA 5956)

(Northwest Africa)

Purchased: 2006 Feb

Classification: Carbonaceous chondrite (CK3)

Petrography: (A. Irving and S. Kuehner, UWS) Chondrules are well formed. Minerals include kamacite, taenite, lawrencite, and troilite.

Geochemistry: Olivine (Fa0.7-38.8), orthopyroxene (Fs4.7Wo2.6), clinopyroxene (Fs18.1Wo11.7), intermediate plagioclase (An48.9-71.1Or3.0-1.1). Oxygen isotopes (D. Rumble, CIW): δ17O -6.432, -6.314; δ18O -3.151, -2.748; Δ17O -4.775, -4.869 per mil.

Data from:
  MB100
  Table 1
  Line 1282:
Origin or pseudonym:Northwest Africa
Place of purchase:Tucson
Date:P 2006 Feb
Mass (g):285
Pieces:1
Class:CK3
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):0.7-38.8
Ferrosilite (mol%):4.7; 18.1
Wollastonite (mol%):2.6; 11.7
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):25
Type spec location:UWS
Main mass:MFarmer
Comments:MF09-1; submitted by A. Irving
Plots: O isotopes:  
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)
CIW: Carnegie Insitution Washington, Geophysical Laboratory, 5251 Broad Branch Rd., NW, Washington DC 20015, United States (institutional address)
MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6757 approved meteorites from (Northwest Africa) (plus 2048 unapproved names)

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