header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 30 Nov 2019
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Northwest Africa 6156
Basic information Name: Northwest Africa 6156
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6156
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass:help 76.5 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  CO3.3
Recommended:  CO3.3    [explanation]

This is 1 of 7 approved meteorites classified as CO3.3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 21 Jan 2011
Writeuphelp
Writeup from MB 99:

Northwest Africa 6156 (NWA 6156)

(Northwest Africa)

Purchased: Feb 2010

Classification: Carbonaceous chondrite (CO3.3)

Geochemistry: A. Irving and S. Kuehner (UWS): Olivine: Fa1.9-43.1 (N=5), mean Fa12, s.d. = 18. Low-Ca pyroxene: Fs1.1-12.2 (N=4), mean Fs5, s.d. = 5. δ17O -6.20, -6.61; δ18O -3.22, -3.42; Δ17O -4.510, -4.810 per mil. Type 3.3 designation based on Cr2O3 distribution in ferroan olivine (Fa33.8-43.1) per Grossman and Brearley (2005): Cr2O3 = 0.03-0.21 wt.% (N=7), mean 0.08 wt.%, s.d. 0.06 wt.%

Data from:
  MB99
  Table 0
  Line 0:
Origin or pseudonym:Northwest Africa
Place of purchase:Tucson
Date:P Feb 2010
Mass (g):76.5
Pieces:1
Class:CO3.3
Shock stage:S1
Weathering grade:W1
Fayalite (mol%):12
Ferrosilite (mol%):5
Wollastonite (mol%):1.1-4.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):15.3
Type spec location:UWS
Main mass:G. Hupe
Finder:GH-385
Comments: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)
Hupe: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

Direct link to this page