Richard James Cooper¹, Kevin M Hiscock¹, Andrew A Lovett¹, Stephen J Dugdale¹, Gisela Sunnenberg¹, Nicholas L Garrard¹, Faye Outram², Zanist Q Hama-Aziz³ and Melinda Lewis⁴, (1)University of East Anglia, School of Environmental Sciences, Norwich, United Kingdom, (2)University of East Anglia, Norwich, United Kingdom, (3)Charmo University, Chamchamal-Sulaimani,, Iraq, (4)British Geological Survey, Wallingford, United Kingdom