header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 17 Jun 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 5580
Basic information Name: Northwest Africa 5580
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5580
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 10 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  CK4-an
Recommended:  CK4-an    [explanation]

This is 1 of 3 approved meteorites classified as CK4-an.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 29 Jan 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 5580 (NWA 5580)

(Northwest Africa)

Purchased: 2007

Classification: Carbonaceous chondrite (CK4, anomalous)

Petrography: The meteorite consists of sharply defined chondrules, mineral fragments, and few small CAIs set in a fine-grained dark greenish matrix. Cr magnetitie abundant. Rare intergrown magnetite, pyrrhotite, and ilmenite.

Geochemistry: (A. Greshake, MNB): Olivine composition, Fa25.2, is anomalously iron-poor for CK group. Minor feldspar An33.1Ab62.7.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Munich, Germany
Date:P 2007
Mass (g):10
Pieces:1
Class:CK4-an
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):25.2
Ferrosilite (mol%):2.3-21.0
Classifier:A. Greshake, MNB
Type spec mass (g):3
Type spec location:MNB
Main mass:H. 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. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6757 approved meteorites from (Northwest Africa) (plus 2048 unapproved names)

Direct link to this page