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Northwest Africa 14441
Basic information Name: Northwest Africa 14441
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14441
Observed fall: No
Year found: 2021
Country: Morocco
Mass:help 1778 g
Classification
  history:
Recommended:  Pallasite, PMG    [explanation]

This is 1 of 50 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 5 Dec 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14441 (NWA 14441)

Morocco

Purchased: 2021

Classification: Pallasite-PMG

History: Purchased by Jay Piatek from Rachid Chaoi in 2021.

Physical characteristics: Exterior is irregular, dark brown, and weathered lacking fusion crust. Saw cut surface shows angular cm-sized brown to dark-orange olivine grains set in metal. The modal abundances are approximately 60% olivine 40% metal.

Petrography: (A. Ross, C. Agee, UNM) Reflected light microscopy and electron microprobe analysis reveal the presence olivine, kamacite, taenite, troilite, chromite and schreibersite.

Geochemistry: (A. Ross, C. Agee, UNM) Olivine Fa11.9±0.1, Fe/Mn=39±1, Fe/Mg=0.13±0.00, n=6; kamacite Ni=6.6±0.7, Co=0.58±0.04 (wt%), n=2; taenite Ni=23.7±1.3, Co=0.25±0.05 (wt%), n=2.

Classification: Pallasite (main group)

Specimens: 21 g including a probe mount on deposit at UNM, Jay Piatek holds the main mass.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2021
Mass (g):1778
Pieces:1
Class:Pallasite-PMG
Shock stage:Low
Weathering grade:moderate
Fayalite (mol%):11.9±0.1
Classifier:C. Agee, UNM
Type spec mass (g):21
Type spec location:UNM
Main mass:Jay Piatek
Comments:Fieldname JP-4024; 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. 110, in preparation (2021)
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1871 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater)

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