TYC's John Brodholt Wins Royal Astronomical Society Medal

The Royal Astronomical Society Price Medal for single investigations of outstanding merit in solid earth geophysics, oceanography or planetary sciences, has been awarded to Prof John Brodholt (UCL Earth Science).

Prof Brodholt developed molecular dynamics programs to simulate liquids and applied them to H2O − CO2 fluid speciation in the crust and mantle. This equipped him to work on intermolecular potentials for molecular dynamics simulations. He combined this expertise with cutting-edge computer tools and studied problems such as the effect of point-defect mobility on mineral creep and the electrical conductivity of the mantle. He went on to work on perovskite, post-perovskite, the transport properties of core liquids and the iron phases of Earth's solid inner core.

This work is the most relevant of any computational mineral physicist's to earthquake seismology. He applied his methods also to planetary ice, the structure of nitrogen-water ices and clathrates, the properties of brines that may exist in Earth's crust, and the interiors of icy planets. In addition, he examined the possibility of radioactivity in the core, the subduction of banded iron formations in the early Earth, and core material incorporation into the base of the mantle. This work comprises an outstanding contribution to understanding the deep interior of Earth and the icy planets.

Prof Brodholt said: "Of course I can think of many more worthy recipients, but nonetheless I am very grateful and happy to receive this medal."

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