University of Oxford, Department of Earth Sciences Parks Road, Oxford, OX1 3PR United Kingdom ; Diamond Light Source, Rutherford Appleton Laboratory, Chilton, OX11 0QX United Kingdom
University of Oxford, Department of Earth Sciences Parks Road, Oxford, OX1 3PR United Kingdom
ETH Zürich, Institute for Isotope Geology and Mineral Resources, Zürich, 8092 Switzerland
Open University, Department of Earth Sciences, Milton Keynes, MK7 6AA United Kingdom