Open Access

Table A.6

Number of spectra with identified minerals according to major bands before the first and after the three irradiations.

mineral Band before irr. ratio(%) 1st irr. ratio (%) 2nd irr. ratio(%) 3rd irr. ratio (%) ratio range
no. of measurements 46 26 37 49
olivine 849.2 6 13 2 8 15 41 6 12 8–13
olivine 887.7 21 46 10 38 10 27 6 12 12–46
feldspar 1152.1 46 100 26 100 37 100 49 100 100
pyroxene 1047.2 30 65 16 62 28 76 33 67 62–76
spinel 666.1 38 83 18 69 35 95 41 84 69–95

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