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 6495
Basic information Name: Northwest Africa 6495
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6495
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 11.5 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 342 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 24 Oct 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6495 (NWA 6495)

(Northwest Africa)

Purchased: 2005

Classification: HED achondrite (Eucrite, polymict)

Petrography: Breccia composed of lithic and mineral clasts from various cumulate eucrite lithologies. Exsolved pigeonite consisting of low-Ca pyroxene (FeO/MnO = 29) and high-Ca pyroxene (FeO/MnO = 23-26) plus calcic plagioclase, with accessory silica, chromite, ilmenite, troilite, and Ni-free metal.

Data from:
  MB100
  Table 1
  Line 1396:
Place of purchase:Tucson
Date:P 2005
Mass (g):11.5
Pieces:1
Class:Eucrite-pmict
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):47.2; 18.7-20.0
Wollastonite (mol%):2.6; 43.9-43.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):4.1
Type spec location:UWS
Main mass:JUtas
Comments:Submitted by A. Irving
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)
JUtas: Jason Utas, United States (private address; updated 8 Jun 2010)
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 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

Direct link to this page