Sarah L Nicholas¹, Alex Russell², Ellen McGrory³, Frank Patrick McDermott² and Liam Morrison⁴, (1)Brookhaven National Laboratory, National Synchrotron Light Source II, Upton, NY, United States, (2)University College Dublin, School of Earth Sciences, Irish Centre for Research in Applied Geosciences (iCRAG), Dublin, Ireland, (3)National University of Ireland Galway, Earth and Ocean Sciences, Galway, Ireland, (4)National University of Ireland at Galway, Earth and Ocean Sciences, Irish Centre for Research in Applied Geosciences (iCRAG), Galway, Ireland