Prof. Dr. Julian PEARCE

Prof. Dr. Julian PEARCE

Prof. Dr. Julian PEARCE

Cardiff University | UK

Julian Pearce is Emeritus Professor in the School of Earth and Ocean Sciences at Cardiff University. He is best known for pioneering and developing the technique of geochemical fingerprinting, still widely used by geologists to find out the original global tectonic settings of formation of the rocks in their study areas. Given that many rocks from the geologic record have experienced element mobility during weathering or metamorphism, a key prerequisite is the use of minerals or elements that are alteration-resistant. His original work in 1973, while a research student at the University of East Anglia in the UK, was based on volcanic rocks, but his later research at the Open University and Universities of Newcastle, Durham and Cardiff in the UK, expanded this to a range of other rocks and minerals, such as granite whole rocks and chromites in mantle peridotites. Julian believes that, in addition to accurate, quality controlled analyses, the key to successful fingerprinting of any rock is a good understanding of its field geology, and so has spent a significant part of his career mapping, and collecting samples for analysis, on field expeditions and research cruises. His-land projects began with ophiolites and volcanic arcs (Cyprus and Oman ophiolites and the Central Andes), extending, in the mid-late 1980s, to participation in international geological traverses across collision zones (the Tibet Plateau, Himalayas and Eastern Anatolia). Much subsequent work involved the marine geology of marginal basins, as co-chief scientist on two IODP expeditions to the Western Pacific and co-PI of other cruises mainly to the Lau Basin (Tonga) and the Scotia Sea (off Antarctica). His leadership positions include the running of the JOIDES and ESSAC Offices for International Ocean Drilling and his awards include the Murchison Medal of the Geological Society of London in 2014.

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