header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 30 Nov 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 6318
Basic information Name: Northwest Africa 6318
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6318
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass:help 23.2 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 342 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 10 Dec 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 6318 (NWA 6318)

(Northwest Africa)

Purchased: 2010

Classification: HED achondrite (Eucrite, polymict)

Petrography: (A. Greshake, MNB) Brecciated with abundant shock melt veins. The meteorite is composed of lithic and mineral clasts set in a clastic matrix; lithic clasts include basaltic clasts and dark impact melt fragments; mineral clasts are large plagioclase and exsolved pyroxenes. Contains accessory SiO2 polymorphs, chromite, and troilite.

Geochemistry: low Ca-pyroxene Fs58-58.5Wo2.2-2.7; Ca-pyroxene Fs24.4-25.2Wo43.9-44.7; calcic plagioclase An85.7-90.3

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2010
Mass (g):23.2
Pieces:2
Class:Eucrite-pmict
Shock stage:strong
Weathering grade:low
Ferrosilite (mol%):58-58.5; 24.4-25.2
Wollastonite (mol%):2.2-2.7; 43.9-44.7
Classifier:A. Greshake, MNB
Type spec mass (g):4.8
Type spec location:MNB
Main mass:Jürgen Nauber
Comments:JNMC-50; submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
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 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

Direct link to this page