Research interests - isotope and trace element geochemistry

• The generation and evolution of the continental crust.
• The nature of the geological record, and the extent to which it is biased by sedimentary and tectonic processes.
• The effects of meteorite bombardment on the Earth’s crust, and the differentiation of impact melt sheets.
• The use of transition metal isotopes to investigate processes at the interface between biological and inorganic geochemistry, and the extent to which the latter may have influenced biological evolution.
• High-resolution continental records of archaeology and environmental change.
• The processes of melt generation in large igneous provinces, with links to the causes of break-up of mega-continents, and the conditions of formation of the associated base metal sulphides.