Science Advances

Supplementary Materials

This PDF file includes:

  • Section S1. Experimental and effect of surface roughness on the reflectance spectra of metallic meteorites
  • Section S2. Hypervelocity impact experiments on steel targets (more images and observations)
  • Section S3. Characteristics of impact melt coating inside hypervelocity craters
  • Section S4. Hypervelocity impact of a dunite projectile on metallic target
  • Section S5. Hypervelocity impact experiments on (Gibeon) iron meteorite target
  • Section S6. Hypervelocity impact experiments using dry and hydrated basalt projectile on steel target
  • Fig. S1. Impact experiments.
  • Fig. S2. Various surface roughness of the Gibeon iron meteorite.
  • Fig. S3. VIS-NIR spectra of the Gibeon meteorite after progressive roughening of the sample.
  • Fig. S4. Morphology of hypervelocity impact craters on steel target.
  • Fig. S5. Crater glassy coating characterization.
  • Fig. S6. Cross section of the impact melt glassy coating at the bottom of hypervelocity crater.
  • Fig. S7. Secondary electron microscopy (SEM) images of the impact melt coating inside craters caused by basalt-like projectiles.
  • Fig. S8. Secondary electron microscopy (SEM) image of impact crater caused by a dunite projectile on steel target (n5; 4.91 km/s; 892 J).
  • Fig. S9. Characterization of the crater coating of the molten dunite.
  • Fig. S10. Morphology of hypervelocity impact craters on Gibeon iron meteorite target.
  • Fig. S11. Morphology of hypervelocity impact craters using dry and hydrated basalt projectile on steel target.
  • Fig. S12. VIS-NIR spectra of impact crater on Gibeon iron meteorite targets using dry dunite and basalt projectiles.
  • Table S1. Experimental conditions.

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