OxTalks will soon move to the new Halo platform and will become 'Oxford Events.' There will be a need for an OxTalks freeze. This was previously planned for Friday 14th November – a new date will be shared as soon as it is available (full details will be available on the Staff Gateway).
In the meantime, the OxTalks site will remain active and events will continue to be published.
If staff have any questions about the Oxford Events launch, please contact halo@digital.ox.ac.uk
Carbonatites, probably the strangest rocks on Earth, are often associated with critical rare earth elements, making them increasingly relevant to society. Such deposits are also often associated with enrichments in Nb, Ba, Zr, Sr, Ti and Cu, as well as apatite and fluorite. Through observations of natural and experimental examples I will review our current understanding of how these intriguing enrichments might occur. Most of the key processes involved, as summarised below (Yaxley et al, 2022), will be presented along with numerous real-world examples and rampant speculations.