header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 14 Sep 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:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Northwest Africa 4091
Basic information Name: Northwest Africa 4091
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4091
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 34.6 g
Classification
  history:
Meteoritical Bulletin:  MB 91  (2007)  EL3/4
Recommended:  EL3/4    [explanation]

This is the only approved meteorite classified as EL3/4.
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 3), and Enstatite-rich meteorites
Comments: Approved 28 Mar 2007
Data from:
  MB91
  Table 2
  Line 177:
Place of purchase:Erfoud, Morocco
Date:2004
Mass (g):34.6
Pieces:1
Class:EL3/4
Shock stage:minimal
Weathering grade:extensive
Ferrosilite (mol%):0.2-2
Classifier:A. Greshake and M. Kurz, MNB
Type spec mass (g):7.8
Type spec location:MNB
Main mass:Anger
Comments:Metal (Si = 0.2 wt%)
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Anger: Christian Anger, Korngasse 6, 2405 Bad Deutsch-Altenburg, Austria; Website (private address)
Kurz: M. Kurz, Schillerstrasse 7, D-34626 Neukirchen, Germany (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Austromet   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
bphd   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6900 approved meteorites from (Northwest Africa) (plus 2035 unapproved names)

Direct link to this page