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The study steering group includes members from:
Dr Andrew S. Y. Mackie, National Museums & Galleries of Wales, Cathays Park, Cardiff CF10 3NP (Andrew.Mackie@museumwales.ac.uk)
J. W. Ceri James, British Geological Survey, Kingsley Dunham Centre, Keyworth, Nottingham NG12 5GG (jwcj@bgs.ac.uk)