Jonathan Edward Chambers¹, Philip Meldrum², Paul Bryan Wilkinson², Sebastian Uhlemann³, Arnaud Watlet³, Russell T Swift², Cornelia Inauen⁴, David Gunn³, Oliver Kuras⁵, James Boyd⁶, James Whiteley⁶, Jessica Holmes⁶, David Huntley⁷, Peter T Bobrowsky⁸, Maneesha Vinodini Ramesh⁹, Hemalatha Thirugnanam¹⁰, Stephanie Glendinning¹¹, Helen Reeves⁶, Shane Donohue¹² and Andrew M. Binley¹³, (1)British Geological Survey Keyworth, Nottinghamshire, NG12, United Kingdom, (2)British Geological Survey, Keyworth, United Kingdom, (3)British Geological Survey Keyworth, Nottinghamshire, United Kingdom, (4)New Zealand, (5)British Geological Survey, Nottinghamshire, United Kingdom, (6)British Geological Survey, Nottingham, United Kingdom, (7)Geological Survey of Canada, Vancouver, BC, Canada, (8)Geological Survey of Canada, Sidney, BC, Canada, (9)Director, Amrita WNA, Kollam, India, (10)Amrita University, Kollam, India, (11)Newcastle University, Newcastle Upon Tyne, United Kingdom, (12)Queens University Belfast, Northern Ireland, United Kingdom, (13)University of Lancaster, Lancaster, United Kingdom