header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 10 Jul 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 7568
Basic information Name: Northwest Africa 7568
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7568
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 12 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  CM2
Recommended:  CM2    [explanation]

This is 1 of 505 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 12 Dec 2012
Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2012
Mass (g):12
Pieces:1
Class:CM2
Shock stage:S2
Weathering grade:low
Fayalite (mol%):9.7±14.9 (0.7-42.1, n=29)
Ferrosilite (mol%):1.7±1.5 (0.8-5.3, n=17)
Classifier:A. Greshake, MNB
Type spec mass (g):2.5
Type spec location:MNB
Main mass:Stefan Ralew
Comments:The black meteorite is composed of small (~0.3 mm) chondrules and rare CAIs set in a dark, opaque matrix of mainly phyllosilicates. Matrix dominates over chondrules, contains rare Fe,Ni-metal grains.; submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6781 approved meteorites from (Northwest Africa) (plus 2047 unapproved names)

Direct link to this page