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Table 6
Planetary abundances in wt % (Fe, O, Mg, Al, Si, Ca) or weight ppm (C, Na) of Mercury and Venus (Morgan & Anders 1980), Earth (Kargel & Lewis 1993) and Mars (Lodders & Fegley Jr 1997)
| Mercury | Venus | Earth | Mars | |
|
|
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| Fe | 64.47 | 31.17 | 32.04 | 27.24 |
| O | 14.44 | 30.9 | 31.67 | 33.75 |
| Mg | 6.5 | 14.54 | 14.8 | 14.16 |
| Al | 1.08 | 1.48 | 1.43 | 1.21 |
| Si | 7.05 | 15.82 | 14.59 | 16.83 |
| Ca | 1.18 | 1.61 | 1.6 | 1.33 |
| C | 5.1 | 468 | 44 | 2960 |
| Na | 200 | 1390 | 2450 | 5770 |
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