Fig. 5
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Ratio of mature to fresh spectra of our samples. R stands for the reflectance, Rf for reflectance of the fresh material, and λ for wavelength. Laser-irradiated spectra were measured on samples in which the craters were 100 µm apart. The OPX absorption bands lie at ≈930 nm and 1820 nm in the un-irradiated spectra; see Chrbolková et al. (2021) for comparison.
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