Lunar Meteorite: Ghardaïa 002

from The Meteoritical Bulletin, No. 110

Ghardaïa 002

Ghardaia, Algeria
Find: 2020
Mass: 90 g (1 piece)

Classification: Lunar meteorite (feldspathic breccia)

Petrography: (J. Gattacceca, CEREGE) Mineral clasts (to 200 µm) set in a feldspathic mesostasis with abundant 50 µm vesicles. Main minerals are olivine and pyroxene. Other minerals include ilmenite, kamacite.

Geochemistry: Olivine Fa25.8±2.1, FeO/MnO = 108.4±19.3 (n=10). Pyroxenes: low-Ca pyroxene Fs22.1±0.9Wo3.8±0.6 (n=5), Ca-pyroxene Fs17.1Wo31.9 (n=1), FeO/MnO = 55.2±7.8 (n=5). Feldspathic mesostasis An96.4±0.6Ab3.4±0.5Or0.3±0.1 (n=6).

Classification: Achondrite (lunar, feldspathic breccia)

Specimens: Type specimen at CEREGE. Main mass with Isabelle Pothier.

Randy Says…

I have not studied Ghardaïa 002. I assume that it is likely a new meteorite because the description differs from that of Ghardaïa 001.

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Ghardaïa 002