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Northwest Africa 16783
Basic information Name: Northwest Africa 16783
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16783
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 486 g
Classification
  history:
Recommended:  Pallasite, PMG    [explanation]

This is 1 of 62 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 6 Jul 2024
Writeuphelp
Writeup from MB 113:

Northwest Africa 16783 (NWA 16783)

(Northwest Africa)

Purchased: 2022

Classification: Pallasite (Main group)

History: Purchased by Jay Piatek from Cheikh el Fakraoui in 2022.

Physical characteristics: Saw cut surface shows modal abundances of approximately 60% olivine 40% metal.

Petrography: (C. Agee, UNM) Electron microprobe analysis reveals the presence of olivine, kamacite, taenite, and schreibersite.

Geochemistry: (M. Spilde, UNM) Olivine Fa12.3±0.2, Fe/Mn=41±2, n=4.

Classification: Pallasite (main group)

Specimens: 20.4 g on deposit at UNM, Jay Piatek holds the main mass.

Data from:
  MB113
  Table 0
  Line 0:
Date:P 2022
Mass (g):486
Pieces:1
Class:Pallasite, PMG
Shock stage:low
Weathering grade:moderate
Fayalite (mol%):12.3±0.2
Classifier:C. Agee, UNM
Type spec mass (g):20.4
Type spec location:UNM
Main mass:Jay Piatek
Comments:Fieldname JP-9035; submitted by C. Agee
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 113, in preparation (2024)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9829 approved meteorites from (Northwest Africa) (plus 1851 unapproved names)

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