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Lunar Meteorite

Northwest Africa 11809
northwestern Africa

 

Two views of Northwest Africa 11809
(photo credit: Fabien Kuntz)

 

Lab sample of Northwest Africa 11809. Click on image for enlargement.
(photo credit: Randy Korotev)

 

from The Meteoritical Bulletin, No. 107

Northwest Africa 11809

Northwestern Africa
Purchased: September 2017
Mass: 80 g

Lunar meteorite (feldspathic breccia)

History: Purchased by Fabien Kuntz in September 2017 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of angular mineral clasts of anorthite, olivine, orthopyroxene, pigeonite, subcalcic augite and Ti-chromite in a finer grained matrix containing minor barite.

Geochemistry: Olivine (Fa30.0-41.3, FeO/MnO = 87-97, N = 3), orthopyroxene (Fs35.7Wo4.2, FeO/MnO = 56), pigeonite (Fs25.2-29.8Wo7.9-10.1, FeO/MnO = 52-63, N = 2), subcalcic augite (Fs15.8Wo30.1, FeO/MnO = 56), anorthite (An92.0-95.0Or0.2-0.1, N = 2).

Classification: Lunar (feldspathic breccia).

Specimens: 14.11 g including a polished slice at UWB; main mass with Kuntz.

 

Randy Says…

This appears to be a new one.

 

More Information

Meteoritical Bulletin Database

NWA 11809

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: 24 September 2018