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Lunar Meteorite

Northwest Africa 11472

northwestern Africa

 

 

from The Meteoritical Bulletin, No. 106

 

Northwest Africa 11472

 

(northwestern Africa)

Find: 2017 March

Mass: 840 g

 

Lunar meteorite (feldspathic breccia)

 

History: A single stone was found in March 2017 by a nomad in an undisclosed region of the Sahara. The stone was later purchased by Luc Labenne.

 

Physical characteristics: A single grayish stone. Cut surface reveals a gray interior with mm sized light gray and white clasts.

 

Petrography: (J. Gattacceca, H. Pourkhorsandi, CEREGE): Brecciated igneous rock. Clasts of anorthite (to 5 mm), olivine, pyroxene set in a feldspathic matrix. Opaque minerals: ilmenite, chromite, troilite, metal (to 40 μm).

 

Geochemistry: Olivine Fa39.7±13.2, range Fa19.6-55.1, FeO/MnO=101.0±19.1 (N=8). Pyroxene Fs33.1±9.3Wo­, FeO/MnO=65.9±10.7 (N=8). Plagioclase An96.1±1.0Ab3.8±0.9Or0.1±0.1 (N=6). Chromite Cr/(Cr+Al)=0.56, TiO2=11.4wt%, Al2O3=15.4wt%, Cr2O3=28.4wt% (N=2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 2.82.

 

Classification: Lunar, feldspathic breccia

 

Specimens: 2 g at CEREGE. Main mass with Luc Labenne.

 

Randy Says…

 

I don’t have a sample of this one.

 

More Information

Meteoritical Bulletin Database

NWA 11472 

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 that
you’ve found until you read this and this.

 

e-mailkorotev@wustl.edu

Last revised: 28 January 2018