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Dear colleagues, As you may know, the deadline for abstract submission to the 33rd IGC in Oslo has been postponed until the 7 March. I also want to draw your attention that due to the possible interference with the IAVCEI meeting in Iceland the week after IGC, our magma-tectonic session has been schedule at the end of the conference (13-14 August). If you missed the former deadline, you still have a chance to submit your abstracts in our session: MPV-06 - The construction/destruction of magmatic and volcanic systems: New insights into magma-tectonic and volcano-tectonic processes in the Earth's crust. Our aim is to discuss the processes governing the emplacement of magma in the Earth’s crust, with a particular attention to the role of tectonic and non-tectonic deformation in the country rock. We will have two invited speakers: Richard Ernst (Ernst Geosciences, Canada). Title: The plumbing system of Large Igneous Provinces (LIPs) Carl Stevenson (University of Birmingham). Title: AMS udes to delineate lateral granite magma flow and emplacement in the crust. We look forward to seeing you in Oslo! Olivier Galland and Eoghan Holohan Magmatic and volcanic activity is intimately linked to the deformation of the Earth's crust on local and regional scales. Mechanisms of magma transport, storage, and eruption, and of the associated construction and destruction of volcanic systems, have been studied for decades, but many interlinked aspects are still debated. These include: 1) the geometric evolution of sub-volcanic plutons and plumbing systems; 2) the interactions between stress, fracturing, intrusion, and eruption; 3) the control of regional-tectonic regimes on the ascent, emplacement and eruption of magma; 4) the structural evolution of volcanic edifices, including calderas, maars, shields, and strato-volcanoes. This session invites contributions providing new insights into the processes of magma ascent, emplacement and eruption, and into the mechanical relationships between volcanoes, sub-volcanic intrusions, and crustal deformation. The session will bring together and help further integrate approaches such as field study, petrology and geochemistry, experimental and numerical modelling, remote sensing, geodesy and geophysics, to improve our understanding of the physical development of magmatic and volcanic systems. ------------------------------------------------------------------------------------------------------------ submission deadline is February 29th 2008 Further details concerning, abstract submission, registration, the Geohost stipend, the IGC 2008 scientific programme, etc. may be found at http://www.33igc.org/coco/