Institution: | 1 British Geological Survey, Kingsley Dunham Centre, Keyworth, Nottingham NG12 5GG, UK 2 Stag Geological Services, 3 Fortuna Court, Calleva Park, Aldermaston, Reading RG7 8UB, UK 3 School of Earth Science and Geography, Kingston University, Kingston-Upon-Thames, Surrey KT1 2EE, UK |