Lunar Meteorite: Northwest Africa 13715

northwestern Africa

from The Meteoritical Bulletin, No. 110

Northwest Africa 13715 (NWA 13715)

northwestern Africa
Find: 2020 October
Mass: 176.6 g (16 pieces)

Classification: Lunar meteorite (feldspathic breccia)

Physical characteristics: Sixteen black stones with mass ranging from 0.77g to 40.81g

Petrography: (J. Gattacceca, CEREGE) Subrounded mineral clasts to 600 µm and rare lithic clasts (with granulitic texture) set in a feldspathic mesostasis (evolving to a melt rock matrix in some areas) with vesicles to 10 µm. Main components are pyroxene and olivine, and feldspathic glass. Other minerals: metal, troilite.

Geochemistry: Olivine Fa31.0 and Fa 40.3, FeO/MnO = 105.5 n(=2). Pyroxene Fs19.9Wo4.0, Fs15.6Wo25.0, Fs13.1Wo37.4, FeO/MnO = 64.2 (n=3). Chromite Cr# = 0.67 (n=1). Feldspathic fraction An95.4±0.3Ab4.2±0.4Or0.4±0.2 (n=3).

Classification: Achondrite (lunar feldspathic breccia)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Randy Says…

I have not studied NWA 13715. It may be another stone of the NWA 8046 clan.

More Information

Meteoritical Bulletin Database

NWA 13715

Lunar Meteorites | List of Lunar meteorites