VMSG2007, Oxford Contents Introduction and Orientation 2 Maps 3 List of Registrants 4 Abstracts of Talks, in order of presentation, Day 1 7 Abstracts of Talks, Day 2 21 Poster Abstracts, in alphabetical order by first author 34 Program summary (Posters) 74 Program summary (Talks) 77 1 VMSG2007, Oxford Volcanic and Magmatic Studies Group Winter Meeting, 4-5 January, 2007 Introduction. Welcome to Oxford, and to St Anne’s College. St Anne’s is not a typical Oxbridge college: it was formed as the Society for Home Students in 1879, to provide educational opportunities for women who would not otherwise be able to afford to come to Oxford. It became a full college in 1952, was one of the first Oxford colleges to go co-educational in 1979, and now has one of the largest and most diverse undergraduate intakes in Oxford. Famous alumnae include Edwina Currie, Penelope Lively and Helen Fielding, and the current Principal is Tim Gardam, formerly Director of Programmes at Channel 4. Orientation. The whole meeting is accommodated on site, though pressure of numbers has meant that the poster and lecture sessions are in different buildings. Talks are all in the Mary Ogilvie Lecture Theatre (Room C on the Map); Posters and the drinks reception are in Seminar Rooms 7 and 8 (lower ground floor of the new building, near O); breakfast (for those staying in college), lunches and the conference dinner are all in the dining room (Room B on the Map). On the first evening, the college bar (Room P) is open for refreshments; there is also a good selection of pubs and restaurants across the Woodstock Road, and towards Jericho and the city centre (for example, at the end of Plantation Road, and on Walton Street). Acknowledgements. Many thanks to all those who have helped out with the preparations for the meeting, in particular the Conference Office at St Anne’s and the administrative staff in Earth Sciences. Thanks also to the Cambridge University Press, Oxford University Press and numerous organisations for ‘in kind’ support of the meeting; and thanks to all of you who have come (nearly 150 at last count!) to help make this meeting a success. David Pyle, Tamsin Mather and Helen Williams, Oxford, December 2006. 2 VMSG2007, Oxford # 3 VMSG2007, Oxford VMSG 2007 – List of delegates, 18 December 2006 Name Institution E-mail Applegarth, L. Jane Lancaster University [email protected] Archibald, Zara National University of Ireland, Galway [email protected] Arkwright, Christine Open University/Manchester University [email protected] Austin-Giddings, Wendy University College, London [email protected] Ayonghe, Sam University of Buea, Cameroon [email protected] Ayris, Paul York University [email protected] Bailey, D. Ken Bristol University [email protected] Barclay, Jenni University of East Anglia [email protected] Barry, Tiffany Open University [email protected] Bell, Andy University College, London [email protected] Bignold, Stella Kingston University [email protected] Blake, Steven Open University [email protected] Blythe, Lara Leicester University [email protected] Borner, Nicholas Cambridge University [email protected] Brady, Aoife National University of Ireland, Galway [email protected] Breheny, Catherine National University of Ireland, Galway [email protected] Breitkreutz, Christoph TU Bergakademie Freiberg, Germany [email protected] Brown, David Sheffield University [email protected] Brown, Richard Bristol University [email protected] Caddick, Mark ETH, Zurich [email protected] Caulfield, Louise Trinity College, Dublin [email protected] Charbonnier, Sylvain Keele University [email protected] Coldwell, Beverley Kingston University [email protected] Cole, Paul Coventry University [email protected] Collins, Sarah Cambridge University [email protected] Corder, Steven Lancaster University [email protected] Costanzo, Alessandra National University of Ireland, Galway [email protected] Crosweller, Sian University of East Anglia [email protected] Davidson, Jon Durham University [email protected] Deegan, Frances Trinity College, Dublin [email protected] Delcamp, Audray Trinity College, Dublin [email protected] Dobson, Kate Glasgow University [email protected] Donoghue, Eleanor Trinity College, Dublin [email protected] Downes, Hilary Birkbeck, University of London [email protected] Doyle, Emma Bristol University [email protected] Edmonds, Marie University of East Anglia [email protected] Elliott, Tim Bristol University [email protected] Ellis, Ben Leicester University [email protected] Ernst, Gerald University of Ghent, Belgium [email protected] Evans, Liz Natural History Museum [email protected] Facer, John Birkbeck, University of London [email protected] Ferguson, David University College, London [email protected] Fernandes, Karina Trinity College, Dublin [email protected] Flude, Stephanie Manchester University [email protected] Gagnevin, Damien University College, Dublin [email protected] Gamble, John University College Cork [email protected] Gardner, Mairi University College Cork [email protected] Germa, Aurélie Université Paris Sud, Orsay [email protected] Gertisser, Ralf Keele University [email protected] Gill, Robin Royal Holloway, University of London [email protected] Goodenough, Kathryn British Geological Survey, Edinburgh [email protected] Halton, Alison Open University [email protected] Hammond, Samantha Open University [email protected] Hansen, Jogvan Durham University [email protected] Harland, Katie Cambridge University [email protected] Hildyard, Rebecca Liverpool University [email protected] Holness, Marian Cambridge University [email protected] Hopkins, Toby Oxford University [email protected] Hunt, Alison Open University [email protected] James, Michael Lancaster University [email protected] Jerram, Dougal Durham University [email protected] Jones, Morgan Bristol University [email protected] Kavanagh, Janine Bristol University [email protected] 4 VMSG2007, Oxford Keeling, Ray Kingston University [email protected] Kilburn, Chris University College, London [email protected] Knox, Clare Cambridge University [email protected] Kokelaar, Pete Liverpool University [email protected] Leat, Phil British Antarctic Survey, Cambridge [email protected] Longpré, Marc Trinity College, Dublin [email protected] Lowe, Catherine University College, London [email protected] Maclennan, John Cambridge University [email protected] Macpherson, Colin Durham University [email protected] Mader, Heidy Bristol University [email protected] Malarkey, Jacqui Durham University [email protected] Manning, Christina Royal Holloway, University of London [email protected] Mansfield, Frances Harvard University [email protected] Marquez, Alvaro Universidad Rey Juan Carlos, Madrid [email protected] Martin, Rob Cambridge University [email protected] Martin, Vikki Durham University [email protected] Mather, Tamsin Oxford University [email protected] Mathieu, Lucie Université Blaise Pascal, France [email protected] Mawby, Michael Durham University [email protected] McGuire, Bill Benfield Hazard Research Centre [email protected] McKenna, Orla Trinity College, Dublin [email protected] McKenna, Cora Anne Trinity College, Dublin [email protected] Meade, Fiona Trinity College, Dublin [email protected] Meara, Rhian Leicester University [email protected] Michnowicz, Sabina Royal Botanic Gardens, Kew [email protected] Millard, Genevieve Cambridge University [email protected] Minifie, Matthew Cardiff University [email protected] Mitchell, Tom Institute of Development Studies, University of Sussex [email protected] Morgan, Dan LGCA, Grenoble/Leeds University [email protected] Morris, George Stockholm University, Sweden [email protected] Mueller, Sebastian Bristol University [email protected] Muirhead, Derek Aberdeen University [email protected] Murray, John Open University [email protected] Nelson, Catherine Durham University [email protected] Nicoll, Graeme Trinity College, Dublin [email protected] Nielson, Joanne Liverpool University [email protected] Noles, Kevin [email protected] Odbert, Henry Reading University [email protected] O'Driscoll, Brian Trinity College, Dublin [email protected] Osmaston, Miles [email protected] Palma, Jose Luis Open University [email protected] Passey, Simon Faroese Earth and Energy Directorate, Faroe Islands [email protected] Petford, Nick Bournemouth University [email protected] Pinkerton, Harry Lancaster University [email protected] Pyle, David Oxford University [email protected] Randle, Jane Open University Geological Society Reavey, John University College Cork [email protected] Reichow, Marc Leicester University [email protected] Robertson, Robert University College, London [email protected] Rothwell, Norma Open University/Manchester Museum Rymer, Hazel Open University [email protected] Saunders, Andy Leicester University [email protected] Schofield, Nick Birmingham University [email protected] Shavalia, Tania Edinburgh University [email protected] Sides, Rachel Cambridge University [email protected] Small, Penelope Kingston University [email protected] Smith, Graham Cambridge