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Northwest Africa 13021
Basic information Name: Northwest Africa 13021
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13021
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 64.5 g
Classification
  history:
Recommended:  Pallasite    [explanation]

This is 1 of 53 approved meteorites classified as Pallasite.   [show all]
Search for other: Metal-rich meteorites, Pallasites
Comments: Approved 1 Jan 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13021 (NWA 13021)

(Northwest Africa)

Purchased: 2014

Classification: Pallasite

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

Physical characteristics: Eighteen dark brownish fragments some of which partly covered with fusion crust.

Petrography: The meteorite is composed of about 6 mm sized subrounded olivine grains surrounded by a matrix of brownish iron oxides or hydroxides. Only few small pristine FeNi-metal grains have been found in the fragment studied.

Geochemistry: Olivine: FeO/MnO=42±3, n=14; taenite: 24.9 wt% Ni, n=3

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2014
Mass (g):64.5
Pieces:18
Class:Pallasite
Shock stage:S1
Weathering grade:strong
Fayalite (mol%):13.6±0.1 (n=14)
Classifier:A. Greshake, MNB
Type spec mass (g):13.6
Type spec location:MNB
Main mass:anonymous
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:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7100 approved meteorites from (Northwest Africa) (plus 2005 unapproved names)

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