header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 16 Feb 2020
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 13058
Basic information Name: Northwest Africa 13058
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13058
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 57 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 536 approved meteorites classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 12 Feb 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13058 (NWA 13058)

(Northwest Africa)

Purchased: 2019

Classification: Carbonaceous chondrite (CO3)

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

Physical characteristics: Dark brownish rock with some fusion crust.

Petrography: Carbonaceous chondrite composed of abundant, well-defined small chondrules (mean diameter about 180 μm), CAIs, and olivine amoeboids all set into a fine-grained dark brownish matrix. Type II chondrules are rare. Some chondrules show reddish staining due to terrestrial weathering. Opaque are metal and sulfide.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019
Mass (g):57
Pieces:1
Class:CO3
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):19.0±19.9 (2.0-61.1, n=13)
Ferrosilite (mol%):2.1±0.8 (1.3-4.0, n=15)
Wollastonite (mol%):1.2±0.2 (0.9-1.5, n=15)
Classifier:A. Greshake, MNB
Type spec mass (g):12.4
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
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 7171 approved meteorites from (Northwest Africa) (plus 2003 unapproved names)

Direct link to this page