Depletion of potassium and sodium in mantles of Mars, Moon and Vesta by core formation

@inproceedings{Steenstra2018DepletionOP,
  title={Depletion of potassium and sodium in mantles of Mars, Moon and Vesta by core formation},
  author={Edgar S. Steenstra and Noa Agmon and Jasper Berndt and Stephan Klemme and Sergei Matveev and Wim van Westrenen},
  booktitle={Scientific Reports},
  year={2018}
}
The depletions of potassium (K) and sodium (Na) in samples from planetary interiors have long been considered as primary evidence for their volatile behavior during planetary formation processes. Here, we use high-pressure experiments combined with laser ablation analyses to measure the sulfide-silicate and metal-silicate partitioning of K and Na at high pressure (P) – temperature (T) and find that their partitioning into metal strongly increases with temperature. Results indicate that the… CONTINUE READING
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