header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 21 Feb 2021
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 6728
Basic information Name: Northwest Africa 6728
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6728
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 599 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  L
Recommended:  L    [explanation]

This is 1 of 52 approved meteorites classified as L.   [show all]
Search for other: L chondrites, Ordinary chondrites
Comments: Approved 2 Mar 2012
Writeuphelp
Writeup from MB 100:

Northwest Africa 6728 (NWA 6728)

(Northwest Africa)

Purchased: 2009 Dec

Classification: Ordinary chondrite (L)

Geochemistry: (R. Bartoschewitz, Bart; P. Appel, B. Mader, Kiel): Breccia of L host with LL xenoliths. Metal- and sulfide-darkened melt matrix. Taenite Ni 33.3-40.3; Co 1.2-0.5%. Olivine in L host: Fa24.8 (Fa23.4-26.0). Olivine in LL clasts: Fa28.8 (Fa27.2-29.6)

Data from:
  MB100
  Table 1
  Line 1500:
Place of purchase:Hamburg Mineral Fair
Date:P 2009 Dec
Mass (g):599
Pieces:1
Class:L
Weathering grade:W1
Fayalite (mol%):24.8 (23.4-26.0)
Ferrosilite (mol%):23.7
Wollastonite (mol%):2.2
Magnetic suscept.:4.66
Classifier:R. Bartoschewitz
Type spec mass (g):20
Type spec location:Kiel
Main mass:S. Buhl, Hamb
Finder:anonymous
Comments:Polymict breccia with LL clasts; submitted by Bartoschewitz
Institutions
   and collections		 Hamb: Mineralogisches Museum, Universität of Hamburg, Grindelallee 48, D-20146 Hamburg, Germany; Website (institutional address; updated 22 Feb 2013)
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)
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 7579 approved meteorites from (Northwest Africa) (plus 1969 unapproved names)

Direct link to this page