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Geochemical data

Geochemical data. The electromagnetic spectrum. All electromagnetic waves travel at the speed of light (3 x 10 8 ms -1 ) and are discussed in terms of wavelength and frequency. Spectrometry. The K emission spectrum of copper. X-ray spectrum of an olivine. Composition of Earth shells.

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Geochemical data

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  1. Geochemical data

  2. The electromagnetic spectrum All electromagnetic waves travel at the speed of light (3 x 108 ms-1) and are discussed in terms of wavelength and frequency

  3. Spectrometry

  4. The K emission spectrum of copper

  5. X-ray spectrum of an olivine

  6. Composition of Earth shells

  7. Nucleosynthesis « Bethe’s cycle »

  8. Elements stability

  9. Elements abundance • Lights > Heavies • Even > Odd • Abundance peak close to Fe (n=56)

  10. Solar system abundance

  11. Formation of a planetary nebula -

  12. Planetary nebulas

  13. Temperature gradients in the planetary nebula

  14. Differenciation of planets

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