Freya R. George

Petrologist–geochemist–geologist

Let's read some rocks!

Earth's metamorphic rocks contain records of fundamental rock-forming processes that occur deep in the crust and at tectonic plate margins. These micron-scale processes ultimately control the strength of the continents, where and when fluids are present, and the the long-term evolution of our planet and its surface. Thus, knowing where, when, and why they occur is key.  

Using multidisciplinary analytical, petrographic, and modelling approaches to interrogate the chemistry, age, and microstructure of rocks and minerals, my research group aims to understand:

  • fundamental processes that drive metamorphic crystallization (e.g., nucleation, growth, chemical transport), and factors that control the rate at which they occur;
  • the extent of and controls on chemical equilibrium and disequilibrium in rocks;
  • processes that occur at interfaces during mineral reactions;
  • orogenic and crustal evolution, and the pressure–temperature–time paths that rocks and melts take through the crust;
  • metamorphic microstructure development and evolution. 

I am on the lookout for new PhD students and postdoctoral researchers to join me at the University of Bristol. If you're interested in discussing potential projects and/or funding opportunities, please reach out!


Currently, I am a Royal Sociery University Reserch Fellow in the School of Earth Sciences at the University of Bristol. 

Recent News

New open access paper in Journal of Metamorphic Geology on the high-temperature evolution of basal island arc crust in Pakistan! i.e., more beautiful diffusion-limited microstructures. 

Thanks to all co-authors at Oxford, Shell Brunei and the University of Calgary!

Is the influence of interface properties on crystal growth larger than previously assumed? Does it change the way we interpret metamorphic microstructures? 

New paper in Geology (doi:10.1130/G48715.1)! 

Exposures of ancient seafloor in Baltimore City? Wow!

F. R. George, January 2026
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