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Table 2
NIR spectral parameters of Fe-rich olivine before and after laser irradiation.
| Samples | Absolute reflectance (R1900) | Changes relative to initial olivine | Slope (R2400/R1900) | Changes relative to initial olivine | Band depth (BD1000) | Changes relative to initial olivine |
|---|---|---|---|---|---|---|
| Fa29-initial | 7.630 | – | 0.905 | – | 0.092 | – |
| Fa29-P5mJ | 6.827 | −10.5% | 0.978 | 8.1% | 0.046 | −50.0% |
| Fa29-P25mJ | 5.778 | −24.3% | 0.987 | 9.1% | 0.048 | −47.8% |
| Fa29-P75mJ | 5.200 | −31.8% | 1.024 | 13.1% | 0.033 | −64.1% |
| Fa29-M75mJ | 5.354 | −29.8% | 0.990 | 9.4% | 0.049 | −46.7% |
| Fa29-M150mJ | 4.007 | −47.5% | 1.075 | 18.8% | 0.046 | −50.0% |
| Fa50-initial | 7.655 | – | 0.927 | – | 0.091 | – |
| Fa50-P5mJ | 6.794 | −11.2% | 0.953 | 2.8% | 0.089 | −2.2% |
| Fa50-P25mJ | 5.605 | −26.8% | 1.038 | 12.0% | 0.033 | −63.7% |
| Fa50-P75mJ | 4.907 | −35.9% | 1.086 | 17.2% | 0.030 | −67.0% |
| Fa50-M75mJ | 5.030 | −34.3% | 1.066 | 15.0% | 0.034 | −62.6% |
| Fa50-M150mJ | 4.756 | −37.9% | 1.064 | 14.8% | 0.044 | −51.6% |
| Fa71-initial | 7.428 | – | 0.923 | – | 0.103 | – |
| Fa71-P5mJ | 6.067 | −18.3% | 0.987 | 6.9% | 0.073 | −29.1% |
| Fa71-P25mJ | 5.069 | −31.8% | 1.076 | 16.6% | 0.054 | −47.6% |
| Fa71-P75mJ | 4.348 | −41.5% | 1.108 | 20.0% | 0.025 | −75.7% |
| Fa71-M75mJ | 4.548 | −38.8% | 1.074 | 16.4% | 0.047 | −54.4% |
| Fa71-M150mJ | 3.747 | −49.6% | 1.122 | 21.6% | 0.049 | −52.4% |
| Fa100-initial | 6.648 | – | 0.944 | – | 0.087 | – |
| Fa100-P5mJ | 4.762 | −28.4% | 1.062 | 12.5% | 0.055 | −36.8% |
| Fa100-P25mJ | 4,313 | −35.1% | 1.103 | 16.8% | 0.039 | −55.2% |
| Fa100-P75mJ | 3.584 | −46.1% | 1.146 | 21.4% | 0.034 | −60.9% |
| Fa100-M75mJ | 6.036 | −9.2% | 1.081 | 14.5% | 0.017 | −80.5% |
| Fa100-M150mJ | 6.645 | 0.0% | 1.057 | 12.0% | 0.013 | −85.1% |
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