header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 18 Aug 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 8500
Basic information Name: Northwest Africa 8500
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8500
Observed fall: No
Year found: 2001
Country: (Northwest Africa)
Mass:help 30 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  CK6
Recommended:  CK6    [explanation]

This is 1 of 56 approved meteorites classified as CK6.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 14 Sep 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8500 (NWA 8500)

(Northwest Africa)

Purchased: 2001

Classification: Carbonaceous chondrite (CK6)

Petrography: The meteorite displays a grayish to slightly greenish interior with several regions showing intense brownish staining. It is dominantly composed of recrystallized matrix; relict chondrules are very rare. Olivine is by far the most abundant mineral phase, followed by feldspar, Ca-pyroxene and Cr-bearing magnetite.

Geochemistry: Cr2O3 in magnetite: about 6.5 wt%

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2001
Mass (g):30
Pieces:1
Class:CK6
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):33.5±0.2 (33.2-33.8, n=14)
Classifier:A. Greshake, MNB
Type spec mass (g):6.8
Type spec location:MNB
Main mass:Harald Stehlik
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Stehlik: Harald Stehlik, 1220 Wien, Austria (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6877 approved meteorites from (Northwest Africa) (plus 2037 unapproved names)

Direct link to this page