xxii CONTRIBUTORS Milner, A R Birkbeck College, London, UK Oneacre, J W BFI, Houston, TX, USA Mojzsis, S J University of Colorado, Boulder, CO, USA Orchard, M J Geological Survey of Canada Vancouver, BC, Canada Monger, J W H Geological Survey of Canada, Vancouver, BC, Canada and Simon Fraser University Burnaby, BC, Canada Orr, P J Moore, P Selsey, UK Owen, A W University of Glasgow, Glasgow, UK Morris, N J University College Dublin, Dublin, Ireland The Natural History Museum, London, UK Pälike, H Stockholm University, Stockholm, Sweden Mortimer, N Institute of Geological and Nuclear Sciences, Dunedin New Zealand Page, K N University of Plymouth, Plymouth, UK Mountney, N P Keele University, Keele, UK Paris, F University of Rennes 1, Rennes, France Mpodozis, C SIPETROL SA, Santiago, Chile Parker, J R Formerly Shell EP International, London, UK Mungall, J E University of Toronto, Toronto, ON, Canada Pfiffner, O A University of Bern, Bern, Switzerland Myrow, P Colorado College, Colorado Springs, CO, USA Piper, D J W Geological Survey of Canada, Dartmouth, NS, Canada Naish, D University of Portsmouth, Portsmouth, UK Price, R A Queens University Kingston, ON, Canada Nickel, E H CSIRO Exploration and Mining, Wembley, WA, Australia Prothero, D R Occidental College, Los Angeles, CA, USA Nielsen, K C The University of Texas at Dallas, Richardson, TX, USA Puche-Riart, O Polytechnic University of Madrid, Madrid, Spain Nikishin, A M Lomonosov Moscow State University, Moscow, Russia Pye, K Nokleberg, W J United States Geological Survey, Menlo Park, CA, USA Norbury, D CL Associates, Wokingham, UK O'Brien, P J Universität Potsdam, Potsdam, Germany Ogg, J G Purdue University, West Lafayette, IN, USA Royal Holloway, University of London, Egham, UK Rahn, P H South Dakota School of Mines and Technology Rapid City, SD, USA Ramos, V A Universidad de Buenos Aires, Buenos Aires, Argentina Rankin, A H Kingston University, Kingston-upon-Thames, UK Oldershaw, C St Albans, UK Rebesco, M Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy Oldroyd, D R University of New South Wales, Sydney, Australia Reedman, A J Mapperley, UK