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Northwest Africa meteorite (NWA15798), Mauritaniai
| Regional Level Types | |
|---|---|
| Northwest Africa meteorite (NWA15798) | Meteorite Fall Location |
| Mauritania | Country |
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Meteorite Class:
Meteoritical Society Class:
Deposit first discovered:
2023
The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania in January, 2023.
Physical characteristics: Dark brownish rock without fusion crust.
Petrography: The meteorite displays a protogranular texture of up to 3 mm sized olivine and pigeonite grains both showing characteristic reduced rims associated with fine-grained often altered FeNi-metal. The meteorite contains graphite and iron oxide veins decorating grain boundaries.
Geochemistry: reduced rims in olivine: Fa3.3-5.0; olivine contains 0.56±0.14 wt% Cr2O3 and 0.30±0.01 wt% CaO; reduced rims in pyroxene: Fs9.2-15.6Wo4.3-8.9; pigeonite contains 1.12±0.04 wt% Cr2O3 and 1.32±0.07 wt% Al2O3
Meteorite/Rock Types Recorded
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Northwest Africa meteorite, Mauritania