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Lunar Meteorite

Northwest Africa 11111

Morocco

 

lm_nwaNWA 11111m.jpg

Northwest Africa 11111
(photo credit: Weibiao Hsu)

 

from The Meteoritical Bulletin, No. 106

Northwest Africa 11111

Morocco
Find: 2016
Mass: 111 g

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Ke Zuokai in Dec. 2016 from a Moroccan dealer.

Physical characteristics: No fusion crust; covered by weathering products.

Petrography: (Li Y., PMO) Fine-grained mineral (plagioclase, low-Ca pyroxene and olivine) clasts and anorthositic rock debris (0.01-0.6 mm) are set in the very fine-grained recrystallized matrix. Compared to those in clasts (Fa27.6-45.6), the recystallized olivines are more Mg-rich (Fa21.4-32.0). Minor unrecrystallized shock melt veins (~50 μm) are also present, which crosscut the recrystallized matrix. Accessory Fe-Ni metal, troilite, and chromite were observed.

Geochemistry: Plagioclase An96.4-99.4Ab0.5-3.5Or0.4; olivine in clast Fa27.6-45.6, Fe/Mn=77.7-111.3; olivine in matrix Fa21.4-32.0, Fe/Mn=70.9-113.5; orthopyroxene Fs22.5-51.7Wo2.0-4.8, Fe/Mn=49.9-80.8; augite Fs12.4-24.0Wo38.2-45.1, Fe/Mn=39.5-51.9; pigeonite Fs22.1-37.0Wo5.6-9.2, Fe/Mn=44.3-65.0.

Classification: Lunar feldspathic melt breccia

Specimens: 20 g is on deposit at PMO, Ke Zuokai holds the main mass.

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Randy SaysÖ

 

I donít have a sample of this one.

 

More Information

Meteoritical Bulletin Database

NWA 11111

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: 07-March-2017