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Space weathering by simulated micrometeorite bombardment on natural olivine and pyroxene: A coordinated IR and TEM study

Hiesinger, Harald; Helbert, Jörn; Weber, Iris +9 more

We studied space-weathering effects caused by micrometeorite bombardment simulated by pulsed intense infrared laser, generating ∼15 mJ per pulse in high vacuum. For our investigation, we selected a natural olivine (San Carlos olivine (Fo₉₁)) and a natural pyroxene (Bamble orthopyroxene (En₈₇)) as important rock forming minera…