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John Stevenson PhD student Email: j.stevenson at lancaster.ac.uk Tel: +44 (0)1524 593975 Fax: +44 (0)1524 593985 Supervisors: Dave McGarvie (Open University), Jennie Gilbert (Lancaster), John Smellie (British Antarctic Survey). The main aim of my project is to examine the fragmental material formed during subglacial rhyolite eruptions. I will be looking at variations in the particle sizes and morphologies produced during eruption, paying special attention to the last erupted deposits before the transition from explosive to effusive, lava-producing activity. There will be two seasons of fieldwork in Iceland. The first will concentrate on Kerlingarfjöll, where fragmental material is particularly well exposed and will involve mapping and sample collection. The details of the second field season are currently undecided, and will very much depend upon the results of the Kerlingarfjoll trip. Labwork will include SEM, particle size analysis, X-ray Fluorescence, and thin section work. John's personal homepage |