header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 3 Jun 2023
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 6488
Basic information Name: Northwest Africa 6488
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6488
Observed fall: No
Year found: 2010
Country: Morocco
Mass:help 2.37 kg
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Eucrite-br
Recommended:  Eucrite-br    [explanation]

This is 1 of 220 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 1 Jul 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6488 (NWA 6488)

Morocco

Purchased: 2010 Oct

Classification: HED achondrite (Eucrite, brecciated)

Physical characteristics: A single stone of 2370 g total weight with fresh, well-preserved black fusion crust.

Petrography: (C. A. Lorenz, Vernad) The meteorite is a clastic breccia consisting of lithic and mineral fragments embedded in a fine-grained clastic matrix. The lithic fragments are clasts of medium- and coarse-grained rocks with subophitic texture. Main phases of the rocks are pyroxene and feldspar. Most of pyroxene grains have a tiny exsolution lamellae. Accessory minerals are silica, chromite, ilmenite and troilite.

Geochemistry: Mineral compositions and geochemistry: (N. N. Kononkova, Vernad, EMP): pyroxenes are En31.7Wo5.6 (Fe/Mn=30) - En26.4Wo36.6; feldspars are An78Ab20 - An83Ab16.

Classification: Eucrite, breccia

Specimens: A total of 64.7 g sample and one thin section are on deposit at Vernad. An anonymous collector holds the main mass.

Data from:
  MB100
  Table 1
  Line 1394:
Place of purchase:Munich, Germany
Date:P 2010 Oct
Mass (g):2370
Pieces:1
Class:Eucrite-br
Classifier:C. A. Lorenz, Vernad
Type spec mass (g):64.7
Type spec location:Vernad
Main mass:Vernad
Comments:Submitted by C. A. Lorenz
Institutions
   and collections		 Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Andreas Grünemeyer   
Christopher Brandl   
Gerald Armstrong   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1973 approved meteorites from Morocco (plus 37 unapproved names) (plus 1 impact crater)

Direct link to this page