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Lunar Meteorite

Northwest Africa 10608

northwestern Africa

 

lm_nwa10608_hand.jpg

Northwest Africa 10608 in hand
(photo credit: Carl Agee)

 

from The Meteoritical Bulletin, No. 105

Northwest Africa 10608

(Northwest Africa)
Purchased: 2016
Mass: 2014 g

Lunar meteorite (feldspathic breccia)

History: Purchased by Jay Piatek in Morocco, 2016.

Physical characteristics: Single stone, weathered exterior without fusion crust; broken surface reveals numerous white feldspathic clasts set in a dark-gray groundmass.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a fragmental breccia with numerous olivine, pigeonite, and augite grains set in a dominant feldspathic matrix. Lithic and melt clasts also observed. Pigeonite, augite, and olivine show igneous crystallization, iron-enrichment trends.

Geochemistry: (C. Agee and S. Spilde, UNM) Olivine Fa22.2±15.5, Fe/Mn=91±7, n=15; pigeonite Fs32.3±10.6Wo5.7±3.4, Fe/Mn=58±4, n=7; augite Fs21.2±13.4Wo39.1±5.3, Fe/Mn=50±14, n=3; plagioclase An95.3±2.4, n=2.

Classification: Lunar feldspathic breccia.

Specimens: 20.8 g including a probe mount on deposit at UNM, Jay Piatek holds the main mass.

 

Randy Says…

This one may be paired with another. I don’t have a sample yet.

 

More Information

Meteoritical Bulletin Database

NWA 10608

References

 

 

 

 

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Prepared by
: Randy L. Korotev
 
Department of Earth and Planetary Sciences
Washington University in St. Louis

Please don't contact me about the meteorite you think you've found until you read this and this.


e-mail
korotev@wustl.edu

Last revised: 25-Apr-2016