header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 15 Jan 2022
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 14390
Basic information Name: Northwest Africa 14390
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14390
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 1994 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 5 Dec 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14390 (NWA 14390)

(Northwest Africa)

Purchased: August, 2021

Classification: Carbonaceous chondrite (CO3)

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

Physical characteristics: Six black rocks some of which almost completely covered with fusion crust.

Petrography: The meteorite shows an almost black interior and is predominantly composed of abundant small chondrules, CAIs, and mineral fragments set into a fine-grained matrix. Chondrules have a mean diameter of about 0.2 mm. Some components are surrounded by fine-grained dust rims. Opaque phases are metal and troilite.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P August, 2021
Mass (g):1994
Pieces:6
Class:CO3
Shock stage:S1
Weathering grade:low
Fayalite (mol%):16.7±18.0 (0.7-64.0, n=15)
Ferrosilite (mol%):1.5±0.1 (1.2-1.7, n=12)
Wollastonite (mol%):1.2±0.3 (0.9-2.2, n=12)
Magnetic suscept.:4.70
Classifier:A. Greshake, MNB
Type spec mass (g):23.8
Type spec location:MNB
Main mass:Boulaouane Taleb Ahmed
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. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Public domain photographs:
Ansgar Greshake   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8136 approved meteorites from (Northwest Africa) (plus 1942 unapproved names)

Direct link to this page