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Northwest Africa 13720
Basic information Name: Northwest Africa 13720
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13720
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 143.4 g
Classification
  history:
Recommended:  Pallasite, PMG    [explanation]

This is 1 of 51 approved meteorites (plus 1 unapproved name) classified as Pallasite, PMG.   [show all]
Search for other: Main group pallasites, Metal-rich meteorites, and Pallasites
Comments: Approved 20 Mar 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13720 (NWA 13720)

(Northwest Africa)

Purchased: October 2020

Classification: Pallasite (Main group)

Physical characteristics: A single dark stone. Cut face reveals equivalent amouts of metal and subrounded olivine crystals.

Petrography: (J. Gattacceca, CEREGE) Assemblage of equivalent amount of metal (cm size) and subrounded olivine (600 µm). Other minerals: chromite (to 200 µm), troilite as veins in olivine and along metal grain rims.

Geochemistry: Olivine Fa13.2±0.1, FeO/MnO = 54.1±3.5 (n=4). Chromite Cr# = 0.91 (n=2).

Classification: Achondrite (pallasite, main group)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P October 2020
Mass (g):143.4
Pieces:1
Class:Pallasite, PMG
Weathering grade:moderate
Fayalite (mol%):13.2±0.1 (n=4)
Magnetic suscept.:5.62
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):21.84
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K532; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8745 approved meteorites from (Northwest Africa) (plus 1880 unapproved names)

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