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Northwest Africa 13579
Basic information Name: Northwest Africa 13579
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13579
Observed fall: No
Year found: 2019
Country: Niger
Mass:help 719 g
Classification
  history:
Meteoritical Bulletin:  MB 109  (2020)  Pallasite
Recommended:  Pallasite    [explanation]

This is 1 of 81 approved meteorites classified as Pallasite.   [show all]
Search for other: Metal-rich meteorites, Pallasites
Comments: Approved 1 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13579 (NWA 13579)

Niger

Find: 2019

Classification: Pallasite

History: Purchased in 2020 by Topher Spinnato and Oz Backman from a meteorite dealer in Niger.

Physical characteristics: The stones are brown in color and angular. Small patches of fusion crust are present. Amber, golden, and green olivine crystals are cleanly exposed at the surface.

Petrography: (D. Sheikh, FSU) 3-5mm fractured olivine grains set in a moderately weathered matrix of Fe-Ni metal and Fe-oxides.

Geochemistry: Olivine (Fa10.9±0.2, range Fa10.6-11.2, n=12).

Classification: Pallasite

Specimens: 20.15 g at UCLA; main mass co-owned by Topher Spinnato and Oz Backman.

Data from:
  MB109
  Table 0
  Line 0:
Date:2019
Mass (g):719
Pieces:22
Class:Pallasite
Shock stage:low
Weathering grade:moderate
Fayalite (mol%):10.9±0.2 (N=12)
Classifier:D. Sheikh, FSU
Type spec mass (g):20.15
Type spec location:UCLA
Main mass:Topher Spinnato
Comments:Field ID=GoldenPallasite1; submitted by Daniel Sheikh
Institutions
   and collections		 UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Photos:
CreditPhotos
Public domain photographs:
Daniel Sheikh   
Geography:

Niger
Coordinates:Unknown.

Statistics:
     This is 1 of 120 approved meteorites from Niger (plus 4 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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