header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 17 Oct 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:
Limit to approved meteorite names
Search text:  
Northwest Africa 13461
Basic information Name: Northwest Africa 13461
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13461
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 1870 g
Classification
  history:
Recommended:  LL5-6    [explanation]

This is 1 of 61 approved meteorites classified as LL5-6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 1 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13461 (NWA 13461)

(Northwest Africa)

Purchased: August, 2020

Classification: Ordinary chondrite (LL5-6)

History: The meteorite was purchased from a dealer in Morocco.

Physical characteristics: Two brownish to orange fragments with patches of black fusion crust.

Petrography: The meteorite is a strongly altered chondritic breccia composed of LL6 type clasts (plagioclase grain size about 80 μm) set into LL5 type matrix (plagioclase grain size about 40 μm).

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P August, 2020
Mass (g):1870
Pieces:1
Class:LL5-6
Shock stage:S2
Weathering grade:W4
Fayalite (mol%):29.8±0.2 (n=7)
Ferrosilite (mol%):24.5±0.1 (n=7)
Wollastonite (mol%):2.4±0.1 (n=7)
Classifier:A. Greshake, MNB
Type spec mass (g):21.9
Type spec location:MNB
Main mass:Andreas Schefzig
Comments: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. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

Direct link to this page