Meeting of U.K. (Non) Plume Skeptics St. Chad's College, University of Durham 30th June, 2004 Agenda Speakers will give 10-min presentations which will be followed by 10 mins of discussion. The remainder of each session will be devoted to general discussion of the subject area.

9:00 – 10:50 Session 1 Chair: Gillian Foulger African plate magmatism & tectonics

Gillian Foulger: Introduction

Ken Bailey: African and global event synchroneity

John O'Connor: Ages of St. Helena & Tristan systems

Marge Wilson: The relationship between tectonism & volcanism in the African plate since the early Mesozoic

10:00-10:50 Discussion

10:50-11:10 Coffee

11:10 – 13:00 Session 2 Chair: Gillian Foulger Impacts, volcanic/passive margins, continental breakup

Adrian Jones: Large oceanic impacts, melting parameters and the inevitability of impact volcanism

Daniel Praeg: Pangea Heats Up: Wide Extension and the NW European Triassic

Erik Lundin: Volcanic passive margins

12:10-13.00 Discussion

13:00-14:00 Lunch

14:00 – 15:50 Session 3 Chair: Godfrey Fitton Geochemical constraints on the origin of ocean-island basalts

Godfrey Fitton: The OIB paradox

Alan Smith: Wrong turnings in geochemistry, 1968-1988

Mike O’Hara: Factors in PIMM geochemistry

15:00-15:50 Discussion

15:50-16:10 Tea

16:10 – 18:00 Session 4 Chair: Godfrey Fitton Temperature and melting of ocean-island basalts

Andy Saunders: A hot source for picritic melts?

Mike Walter: Constraints on mantle potential temperature, differences between MORB and OIB primary melts with respect to phase relations

John Maclennan: Melting anomalies: Tp, Xc, or v?

17:10-18:00 Discussion

1st July: Leisure/informal discussion programme

Historical/geological tour of the Durham World Heritage Site and the incised meander.

Attendees

Prof. Ken Bailey, University of Bristol
Dr. Tiffany Barry, British Geological Survey
Prof. Jon Davidson, University of Durham
Dr. Tony Doré, STATOIL
Prof. Derek Fairhead, University of Leeds
Prof. Godfrey Fitton, University of Edinburgh
Dr. Gillian Foulger, University of Durham
Dr. Adrian Jones, University College London
Dr. Erik Lundin, Geological Survey of Norway
Dr. John Maclennan, University of Edinburgh
Dr. John O'Connor, University of Kiel
Prof. Mike O'Hara, University of Aberystwyth
Dr. Daniel Praeg, University College Dublin
Prof. Andy Saunders, University of Leicester
Dr. Alan Smith, University of Durham
Dr. Martyn Stoker, British Geological Survey
Dr. Mike Walter, University of Bristol
Prof. Marge Wilson, University of Leeds
Prof. Bernie Wood, University of Bristol