Cambridge Publications

The Conference Company

April 8th - 12th, 2001

European Union of Geosciences



EUGXI Programme
AM Session, Tuesday 10th April, 2001





Symposium AI04 Room F1

Plumbing the Depths: Groundwater in the Third Millennium: Hydrology and Hydrogeology

Convenors: Mike Price & Paul Ashley

Session chaired by Mike Price

08:30 Deep Groundwaters in the Alluvial Aquifer of the Rhine Valley. Groundwater Flow and Salinity Transport Inferred from Environmental Isotopes (O, H, C, S, B): Elsass P, Kloppmann W, Bauer M & Eichinger L (AI04:TUam01:F1).

08:45 Water Chemistry Calculation by Hydrological Methods: Example of the Druance Small Agricultural Watershed (Normandy, France): Butaeye D, Walter-Simonnet A & Simonnet J (AI04:TUam02:F1).

09:00 Influence on the Water Quality of the Mineralizations Occurring in the Grande River Basin (San Luis, Argentina): Fernández-Turiel J, Martinez L, Gásquez J, Perino E, Olsina R & Gimeno D (AI04:TUam03:F1).

09:15 Characterisation of the Artesian Aquifers in the Friuli Plain (NE Italy) by Means of Low-Quality Hydrological Data: Granati C, Martelli G & Roda C (AI04:TUam04:F1).

09:30 Rare Earth Element and Yttrium Distribution in Aqueous Crustal Fluids: Möller P & Dulski P (AI04:TUam05:F1).

09:45 BREAK

Session chaired by Paul Ashley

10:15 Characterization of Paleofluids by SIMS Analysis of Minor and Trace Elements in Fracture Calcite: Lecocq D, Raimbault L & Forette M (AI04:TUam08:F1).

10:30 Chemical and Isotopic Features of Interstitial Water and Isotopic Evolution of the Matrix in the Sainte Colombe Borehole (France): Plain C, Dever L & Marlin C (AI04:TUam09:F1).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium AI04


(Symposium AI04 Continued in Session TU po on Page 67)



Symposium BG04 Room G1

Quantifying the Significance of Microbes in Sedimentary Geochemical Processes

Convenors: Derek Lovley & Max Coleman

Session chaired by Max Coleman

08:30 How Microbial are Microbial Sediments?: Feldmann M, Nose M & Stoessel I (BG04:TUam01:G1).

08:45 Morphoanalysis of Bacterially Precipitated Calcium Carbonate from Weebubbie Cave, Australia: Heywood B, Pitt K, Contos A, James J & Rodgers P (BG04:TUam02:G1).

09:00 Anaerobic Dolomite and Mg-Calcite Precipitation in Cultures of Sulfate-Reducing Bacteria: Warthmann R, van Lith Y, Vasconcelos C & McKenzie JA (BG04:TUam03:G1).

09:15 How Anaerobic Micro-Organisms Induce Carbonate Crust Formation at Seafloor Cold Seeps: Aloisi G, Bouloubassi I, Pancost RD, Heijs SK, Pierre C, Sinninghe Damsté J, Hompans E, Gottschal J, Rouchy J & The Medinaut Shipboard Scientific Party (BG04:TUam04:G1).

09:30 Sedimentary Humic Acid Derived from Bacterial Biomass: Nissenbaum A, Burhan P, Trendel J, Adam P, Wehrung P & Albrecht P (BG04:TUam05:G1).

09:45 BREAK

Session chaired by Brigid Heywood

10:15 An Experimental "Silicate Surface-Bacteria" Interface to Diagnostic Biotic or Abiotic Processes: Lemelle L, Lambrecht L, Benzerara K, Lesourd M, Barakat M, Heulin T, Guyot F & Gillet P (BG04:TUam08:G1).

10:30 Bio-Alteration of Basaltic Glass in the Oceanic Crust: Furnes H, Staudigel H, Thorseth I, Torsvik T, Muehlenbachs K & Tumyr O (BG04:TUam09:G1).

10:45 Hematite Mineralized Microfossils from the Gunflint Iron Formation of Ontario Canada: Implications for the Relationship between Iron-Oxide Formation and Microbial Activity: Schelble RT, Westall F & Allen CC (BG04:TUam10:G1).

11:00 Fractionation of Yttrium and Rare Earths by Bacteria: Bau M, Guynn R, Liermann L, Dulski P & Brantley S (BG04:TUam11:G1).

11:15 Mineral Magnetic Evidence for the Occurrence of High Concentrations of Bacterial Magnetite in Swedish Varved Lake-Sediments: Snowball I, Zillén L & Sandgren P (BG04:TUam12:G1).

11:30 Factors Limiting Iron Oxide Reduction in Tidal Freshwater and Deep Sea Sediments: Ferro I & Middelburg J (BG04:TUam13:G1).

11:45 Isotopic Evidence for Microbial Reactions in the Biogeochemical Sulfur Cycle of Sediments from the Landsort Deep (Baltic Sea): Influence of Reactant Limitations: Böttcher ME & Lepland A (BG04:TUam14:G1).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium BG04


(Symposium BG04 Continued in Session TU po on Page 67)



Symposium CC08 Room G2

Understanding Global Climate Change: Clues from the Marine Sedimentary Record

Convenors: Anthony Cohen, Angela L. Coe & Rachael H. James

Session chaired by Anthony S. Cohen

08:30 Absence of Subtropical and Polar Ocean Fronts in much of the Late Mesozoic and Paleogene: Hay W, DeConto R, Floegel S & Soeding E (CC08:TUam01:G2).

08:45 Isotopic Tracing of Sediment Transport in the Bay of Bengal: Implication for the Marine Os Record: Pierson-wickmann A, Reisberg L, France-lanord C & Kudrass HR (CC08:TUam02:G2).

09:00 A 234U History of Seawater for the Last 800 Thousand Years: Henderson GM (CC08:TUam03:G2).

09:15 A Cenozoic Record of the Osmium Isotope Composition of Seawater Preserved in a Single Ferromanganese Crust from the Central Pacific Ocean: Burton K, Gannoun A, Birck J, Allegre C, Lee D, Frank M, Halliday A, Christensen J & Hein J (CC08:TUam04:G2).

09:30 The Pleistocene Climate Change Record from the Australian Sector of the Southern Ocean: Results from Images Core MD 97-2108: Nees S, De Deckker P, Ralf T, Suhonen JM, Kissel C & Reijmer JJG (CC08:TUam05:G2).

09:45 Communities and Microhabitats of Living Benthic Foraminifera from the Tropical South Atlantic: Impact of Different Productivity Regimes: Licari L, Schumacher S & Mackensen A (CC08:TUam06:G2).

10:00 BREAK

Session chaired by Rachael H. James

10:30 Demise of Carbonate Platform and Cool-Water Influx in the Carpathian Paleogene Basins: Climatic Events Related to the Oligocene Icehouse: Sotak J & Starek D (CC08:TUam09:G2).

10:45 A Sensitive Recorder of Nordic Sea Thermohaline Activity during the Past 130 ka from the Arctic Ocean: Hass HC (CC08:TUam10:G2).

11:00 Phosphorus Regeneration and Burial during and after Formation of the Most Recent Eastern Mediterranean Sapropel (S1): Slomp CP, Thomson J & De Lange GJ (CC08:TUam11:G2).

11:15 What is the Mechanism of Formation of the Manganese Concentration Peaks found in Recent Eastern Mediterranean Sediments?: Thomson J, Slomp CP & de Lange GJ (CC08:TUam12:G2).

11:30 Uppermost Pleistocene Lithostratigraphic Evidence of Peri-Mediterranean Palaeoclimatic Change as Recorded in the Composition of Mediterranean Sea Sediments: Anastasakis G, De Lange G, Corselli C, Koumoutsakou O, Michard A, Slomp C & Thomson J (CC08:TUam13:G2).

11:45 Palaeoecosystem Changes during Sapropel S1 Time Based on Absolute and Relative Quantitative Analyses of Zooplankton and Phytoplankton Assemblages: The Example of SL9 Box-Core (Florence Rise, Eastern Mediterranean): Principato MS, Crudeli D, Ziveri P, Corselli C, de Lange GJ, Erba E & Slomp CP (CC08:TUam14:G2).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium CC08


(Symposium CC08 Continued in Session TU pm on Page 61)



Symposium EVO2 Room F5

Late Quaternary Floodplains: Sedimentary Records of Environmental Change

Convenor: Phil Collins

Session chaired by Philip Collins

09:15 Neogene and Early Quaternary Tectonic Phases in Central Hungary. Relations of Sedimentary Record and Morphology: Magyari A, Van Vliet-Lano' B & Csontos L (EVO2:TUam04:F5).

09:30 Morphotectonic Evolution of the Gulf of Izmit, NW Turkey: Tari U & Tuysuz O (EVO2:TUam05:F5).

09:45 Dating the Death of a Fault by Stratigraphic and U/Th Methods: The Xylokastro-Loutro Fault, Rift of Corinth (Greece). Kinematics Implications: Flotté N, Plagnes V, Benedicto A & Sorel D (EVO2:TUam06:F5).

10:00 BREAK

Session chaired by Art Bevis III

10:30 The Clay-With-Flints of North Western Europe: Typology, Chronology and Weathering Balance: Laignel B & Quesnel F (EVO2:TUam09:F5).

10:45 Erosion and Tectonics: Why the Drainage Pattern Matters- A Perspective of the Present-Day Situation of the Swiss Alps: Schlunegger F, Hinderer M & Melzer J (EVO2:TUam10:F5).

11:00 Fluvial Bedrock Incision Following Typhoon Impact on Taiwan: Hartshorn K, Hovius N & Slingerland R (EVO2:TUam11:F5).

11:15 The Holocene Lake Mega-Chad: Extension, Dynamic and Palaeoenvironmental Implications since Upper Miocene: Schuster M, Duringer P, Ghienne J, Bernard A, Brunet M, Vignaud P & Mackaye HT (EVO2:TUam12:F5).

11:30 Post-Pleniglacial Evolution of the River Meuse Floodplain in Limburg: Beerten K & Gullentops F (EVO2:TUam13:F5).


Programme for the Next Session in Symposium EVO2


(Symposium EVO2 Continued in Session TU pm on Page 62)



Symposium FMF4 Room F4

Sulphur Geochemistry and Gases in Geofluids during Burial Diagenesis and Metamorphism

Convenors: Kurt Bucher, Simon Bottrell, Ingrid Stober & Martin Cross

Session chaired by Ingrid Stober & Kurt Bucher

08:30 Radon Concentration in a Deep Sedimentary Aquifer from the Aquitain Basin (Southwest France): Franceschi M (FMF4:TUam01:F4).

08:45 Helium Behaviour and Residence Times in Water-Rock Systems in Northern Switzerland: Tolstikhin I, Lehmann B, Loosli H, Kamensky I & Gannibal M (FMF4:TUam02:F4).

09:00 Crustal Fluids in Mantle Rocks: The Noble Gas Composition of Proterozoic Lamproites from the Eastern Baltic Shield: Wiersberg T, Niedermann S, Erzinger J, Levsky LK & Lokhov KI (FMF4:TUam03:F4).

09:15 Gas Monitoring at Geothermal Exploration Well GPK-2 (Soultz-Sous-Forêts, France)- First Results from the 5000 m Production Test: Erzinger J, Naumann D, Zimmer M & Wiersberg T (FMF4:TUam04:F4).

09:30 Origin of Large Volumes of Carbon Dioxide in Sedimentary Basins: A Case Study from the Cooper Basin, Australia: Wycherley H, Ballentine C, Fleet A & Shaw H (FMF4:TUam05:F4).

09:45 BREAK

Session chaired by Simon Bottrell & Martin Cross

10:15 Organic Compounds in Volcanic Gases: Schwandner FM, Gize AP, Seward TM, Hall K & Dietrich VJ (FMF4:TUam08:F4).

10:30 Potential H2S-Controlling Mineral Reactions in Hydrocarbon Reservoirs: Aagaard P, Jahren J & Ehrenberg SN (FMF4:TUam09:F4).

10:45 Bacterial and Thermochemical Sulfate Reduction in Diagenetic Settings- Old and New Insights: Machel HG (FMF4:TUam10:F4).

11:00 H2S in North Sea Oil Fields: Importance of Themochemical Sulphate Reduction in Clastic Petroleum Reservoirs: Worden R & Smalley C (FMF4:TUam11:F4).

11:15 Experimental Determination of Thermochemical Sulphate Reduction (TSR) Reaction Kinetics: Cross MM, Manning DA & Worden RH (FMF4:TUam12:F4).

11:30 The Origin of Pyrite-Acid Volatile Sulfide (AVS) Cross-Over Plots in Sediment Profiles: Rickard D & Oldroyd A (FMF4:TUam13:F4).

11:45 Sulfur Isotopic Composition in Groundwaters from the Aquitanean Basin: Andre L, Franceschi M, Pouchan P & Atteia O (FMF4:TUam14:F4).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium FMF4


(Symposium FMF4 Continued in Session TU po on Page 70)



Symposium LS04 Room F2

Intraplate Strike-Slip Deformation Belts

Convenors: Fabrizio Storti & Francesco Salvini

Session chaired by Franz Tessensohn

08:30 KEYNOTE Are Continental-Scale Strike-Slip Faults Rooted into the Mantle? Seismic Anisotropy Constraints and Thermo-Mechanical Implications: Vauchez A & Tommasi A (LS04:TUam01:F2).

09:00 Kinematic and Mechanical Controls on the Formation and Evolution of Large Intracontinental Wrench Zones in Physical Models: Vendeville BC & Boniface LP (LS04:TUam03:F2).

09:15 Constraining the Kinematics of a Major Intracontinental Transform Boundary: The Ailao Shan-Red River Shear Zone: Leloup PH, Lacassin R, Tapponnier P, Gilley L & Harrison M (LS04:TUam04:F2).

09:30 Pull-Apart Basin History along the Eastern Indian Shear Zone from Eocene to Present: Rangin C, Chamot-Rooke N, Nielsen C, Farcy F, Tsang Hin Sun D, Bourdon E, Tin Tun Aung U, Min Han U, Kyaw Htin U & Min Swe U (LS04:TUam05:F2).

09:45 The Role of Pseudotachylyte Formation in Active Strike-Slip and Extensional Deformation in the Altai Transpressional Belt in Central Asia: Dehandschutter B, Boven A, Smirnova L & Buslov M (LS04:TUam06:F2).

10:00 Granulites in Karakoram: Crustal-Scale Folding Versus Strike-Slip Motion: Rolland Y, Maheo G, Villa I, Pêcher A & Guillot S (LS04:TUam07:F2).

10:15 BREAK

Session chaired by Alain Vauchez

10:45 Fission-Track Constraints on Mesozoic and Cenozoic Tectonic History of the Northern Edge of the Tibetan Plateau: Jolivet M, Brunel M, Seward D, Xu Z, Yang J, Roger F, Tapponnier P, Malavieille J, Arnaud N & Wu C (LS04:TUam10:F2).

11:00 Partitionning along the Indo-Burmese Wedge: Onshore and Offshore Constraints: Nielsen C, Chamot-rooke N & Rangin C (LS04:TUam11:F2).

11:15 Deformation Partitioning and Magmatic Activity at the Southern Termination of Intraplate Fault Systems in the Ross Sea Region, Antarctica: Storti F, Rossetti F & Salvini F (LS04:TUam12:F2).

11:30 Anatomy of a Major Intraplate Fault System in Antarctica: The Lanterman Fault: Rossetti F, Läufer AL, Salvini F & Storti F (LS04:TUam13:F2).

11:45 Regional Crustal Architecture of Intraplate Strike-Slip Belts over the Transantarctic Mountains and Adjacent Ross Sea Rift as Imaged by Potential Field Investigations: Ferraccioli F & Bozzo E (LS04:TUam14:F2).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium LS04


(Symposium LS04 Continued in Session TU pm on Page 63)



Symposium LS08 Room G3

Age Growth and Evolution of Antarctica (AGEANT)

Convenors: Chris Wilson & Simon Harley

Session chaired by Simon Harley

08:30 Some Major Geophysical Initiatives and their Possible Contribution to AGEANT (Age, Growth and Evolution of Antarctica): Ferraccioli F & Bozzo E (LS08:TUam01:G3).

08:45 Mapping Rodinia and Gondwana Basement in Antarctica and Australia with Aeromagnetic Data: Finn C, Damaske D & Mackey T (LS08:TUam02:G3).

09:00 KEYNOTE Tectonic Evolution of the Mesoproterozoic Albany-Fraser Orogen and Neoproterozoic Leeuwin Gneiss Complex, Southwestern Australia: Australian Portions of Antarctic-Australian Orogens: Myers J & Nelson D (LS08:TUam03:G3).

09:30 Correlating the Tectonics and Exhumation from the Southern Prince Charles Mountains to Prydz Bay, Antarctica: Wilson CJ, Boger SD, Vassallo JJ & Gibson HJ (LS08:TUam05:G3).

09:45 EMAGE 96-2000: Timing of Early Gondwana Break-Up: Jokat W, Meyer U & Boebel T (LS08:TUam06:G3).

10:00 Evidence for a Pan-African Orogenic Belt in Western Dronning Maud Land, Antarctica: Board WS, Frimmel HE & Armstrong RA (LS08:TUam07:G3).

10:15 BREAK

Session chaired by Kazuyuki Shiraishi

10:45 Grenville-Age Versus Pan-African Magnetic Anomaly Imprints in Western Dronning Maud Land, East Antarctica: Jacobs J & Golysnky A (LS08:TUam10:G3).

11:00 Age and Evolution of the Tugela and Mzumbe Terranes, Natal Belt, South Africa: Bisnath A, McCourt S & Armstrong RA (LS08:TUam11:G3).

11:15 Two Contrasting Charnockite Types, and their Implication for Early Palaeozoic Tectonic Evolution of East Antarctica: Mikhalsky E, Sheraton JW & Beliatsky B (LS08:TUam12:G3).

11:30 Grove Mountains: A Segment in the Collage during East Antarctic Shield Forming?: Liu X, Zhao Y, Liu X & Yu L (LS08:TUam13:G3).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium LS08


(Symposium LS08 Continued in Session TU pm on Page 64)



Symposium LS10 Room G0

Deformation at Convergent Margins

Convenors: John Grocott, Graham Taylor, Ken McCaffrey & Basil Tikoff

Session chaired by Basil Tikoff

08:30 Flow of Partially Molten Crust and Ascent of Granites during Orogenic Evolution: The Sponge Model: Vanderheaghe O & Vigneresse JL (LS10:TUam01:G0).

08:45 Plutonism in an Oblique Convergent Margin: The Example of the Pan-African Negash Pluton, Northern Ethiopia: Asrat A, Gleizes G & Barbey P (LS10:TUam02:G0).

09:00 Neotectonics of the South Caspian Region: Incipient Subduction of a Trapped Ocean Basin: Allen M, Jackson J, Hovius N, Ghassemi M & Ismail-Zadeh A (LS10:TUam03:G0).

09:15 Late Cenozoic Tectonic Evolution of the Asymmetric Intramontane Basin of the Alai Valley (39°N, 072° to 075°E), Pamir-Tien Shan, Kyrgyzstan: Coutand I, Strecker MR, Thiede RC, Arrowsmith JR, Hilley GE & Omuraliev M (LS10:TUam04:G0).

09:30 Structure of the Highest Range of the Alps. A Conjoint Structural and Gravity Survey of the Mont-Blanc Massif: Masson F, Gal F, Leloup PH, Lacassin R, Arnaud N, Bayer R, Daignières M & The Mont-Blanc Gravity Group (LS10:TUam05:G0).

09:45 General (Sub-Simple) Shear Extrusion and Crustal-Scale Stretching Detachments during Continental Collision. A Consistent Kinematic Model for the Exhumation of the Himalayan Metamorphic Core: Vannay J & Grasemann B (LS10:TUam06:G0).

10:00 Strain Partitioning at the Eastern End of the Zanskar Extensional Shear Zone (Western Himalaya): Epard J & Steck A (LS10:TUam07:G0).

10:15 BREAK

Session chaired by John Grocott

10:45 Neogene Tectonics along the Mogok Metamorphic Belt (Shan Scarp, Central Myanmar) Recorded the Miocene Regional Kinematic Reorganization: Bertrand G, Rangin C, Chamot-Rooke N & The G.I.A.C. Scientific Party (LS10:TUam10:G0).

11:00 Tectono-Stratigraphical Evolution of the Cankiri Basin (North Central Anatoli, Turkey): A Multidsiciplinary Approach: Kaymakci N, White SH & van Dijk PM (LS10:TUam11:G0).

11:15 Transition from Deep Crustal Homogeneous Shortening to Shallow Level Indentation and Lateral Deformation Partitioning: Stipska P, Kröner A, Schulmann K & Jezek J (LS10:TUam12:G0).

11:30 The Lithospheric Rotations and Vertically Coupled and Un-Coupled Deformation of European Lithosphere during Paleozoic Orogeny: Schulmann K, Babuska V, Edel JB, Plomerova J & Lexa O (LS10:TUam13:G0).

11:45 Modelling of the Lapland Granulite Belt Formation: Case of Intracrustal Obduction and Collision Without Orogeny (Mathematical Simulation): Filatova V (LS10:TUam14:G0).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium LS10


(Symposium LS10 Continued in Session TU po on Page 72)



Symposium MS01 Room F6

Geochemistry, Structure, Defects and Dynamics of the Earth's Mantle and Core

Convenors: Chris Ballentine, John Brodholt, Mark Rehkämper & David Price

Session chaired by Chris Ballentine

08:30 Hollandites from Shocked Natural Samples: Implications for the Chemistry of the Deep Earth: Gillet P, El GORESY A, Chen M, Dubrovinsky L, Langenhorst F & Poirier J (MS01:TUam01:F6).

08:45 Interferometric Velocity Measurements in Multi-Anvil Pressure Cells under Simulated Mantle Conditions- Pressure Determination and Transient Investigation of the Quartz-Coesite Transition: Mueller HJ, Lauterjung J, Schilling F, Schoenbohm D, Hetzel R & Lathe C (MS01:TUam02:F6).

09:00 Anelasticity and Creep in Polycrystalline MgO at High Temperature: Webb S & Jackson I (MS01:TUam03:F6).

09:15 Equation of State of Al-Bearing Perovskite Down to Lower Mantle Pressure Conditions: Daniel I, Fiquet G, Guyot F, Cardon H & Mezouar M (MS01:TUam04:F6).

09:30 Diffusion in Olivine at High Pressure: Holzapfel C, Chakraborty S, Rubie DC & Frost DJ (MS01:TUam05:F6).

09:45 In-Situ Thermal Diffusivity Measurements of Olivine, Wadsleyite, and Ringwoodite to 20 GPa: Xu Y, Shankland TJ, Rubie DC & Langenhorst F (MS01:TUam06:F6).

10:00 BREAK

Session chaired by John Brodholt

10:30 Application of Inelastic X-Ray Scattering to Measurements of Acoustic Wave Velocities in Geophysical Materials at Very High Pressure: Fiquet G, Krisch M, Guyot F, Badro J, Bellin C, Requardt H, Mermet A & Zhang J (MS01:TUam09:F6).

10:45 Pressure Dependence of Self-Diffusion in Liquid Fe: Implications for Outer Core Convection: Dobson DP (MS01:TUam10:F6).

11:00 Elasticity and Preferred Orientation in <epsilon>-Fe Under High Pressure: Merkel S, Hemley R, Mao H, Goncharov A, Wenk H & Gillet P (MS01:TUam11:F6).

11:15 Composition and Temperature of the Earth's Core Constrained by Combining Ab Initio Calculations and Seismic Data: Alfe` D, Price D & Gillan M (MS01:TUam12:F6).

11:30 No Mushy Zones in the Earth's Core: Morse SA (MS01:TUam13:F6).

11:45 Is the Inner Core of the Earth Partially Molten: Singh S (MS01:TUam14:F6).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).




Symposium MS02 Room G8

Subduction Zone Processes in Active and Fossil Convergent Orogens

Convenor: Dennis Brown

Session chaired by Dennis Brown

08:30 KEYNOTE Complex Arc Relationships for Development of the Volcanic-Hosted Massive Sulphide Deposits of the Southern Urals: Herrington R, Armstrong R, Taylor R, Maslennikov V & Tesalina S (MS02:TUam01:G8).

09:00 The Devonian Magnitogorsk Arc of the Southern Urals: Geochemical and Isotopic Characterisation: Spadea P, D'Antonio M, Gorozhanina Y & Kosarev A (MS02:TUam03:G8).

09:15 Evidence for Catastrophic Pliocene Slab Dewatering in the Mariana and Tonga Arcs: Clift P, Rose E, Najman Y & Shimizu N (MS02:TUam04:G8).

09:30 Are Mariana and Tonga Forearc Peridotites Melting Residues for Arc Volcanism?: Niu Y, O'Hara MJ, Pearce JA, MacLeod CJ, Hawkins JW & Fisher RL (MS02:TUam05:G8).

09:45 Cretaceous-Paleocene Arc and Back-Arc Evolution in SW Pacific, Implications from New Caledonia and Northland (New Zealand): Picard C (MS02:TUam06:G8).

10:00 BREAK

Session chaired by Alexandre Chemenda

10:30 Arc Volcanoes and other Anomalous Features in the Woodlark Basin, Outboard of the San Cristobal Trench, Solomon Islands: A Consequence of Failed Ridge Subduction?: Crook K (MS02:TUam09:G8).

10:45 Oxygen Fugacity Variations in Arc Magmas across the Kamchatka Deduced from Olivine-Spinel Equilibria: Pletchov P, Churikova T, Wörner G & Kronz A (MS02:TUam10:G8).

11:00 Continuous or Discrete Slab Dehydration for Explaining the U-Series Data from Kamchatka (Russia)?: Dosseto A & Bourdon B (MS02:TUam11:G8).

11:15 Origin of Bajaites: Constraints from 230Th-238U Disequilibria: Nauret F, Hemond C, Maury RC & Guillou H (MS02:TUam12:G8).

11:30 Sr, Nd and Pb Isotopic Study of Subduction-Related and Intra-Plate Type Magmatism Coexisting in the San Pedro-Ceboruco Graben (Western Mexico): Petrone CM, Francalanci L, Carlson RW, Ferrari L & Conticelli S (MS02:TUam13:G8).

11:45 Middle Palaeozoic to Triassic Mantle Evolution in Eastern Australia as Recorded by the Geochemistry of Mafic Rocks: Caprarelli G & Leitch EC (MS02:TUam14:G8).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium MS02


(Symposium MS02 Continued in Session TU pm on Page 64)



Symposium OS05 Room G6

Recent Advances in the Physics and Chemistry of Minerals

Convenors: David Vaughan, Matthias Gottschalk, Mark D. Welch, Thomas Armbruster & Fernando Scordari

Session chaired by Fernando Scordari

08:30 Crystal Structure Paths to a Phengite Geobarometer?: Ivaldi G, Ferraris G & Curetti N (OS05:TUam01:G6).

08:45 Fulleren, Carborn Nanotubes and Diamond-Like Phase Formation at the Metamorphic Parameters: Simakov S, Graphchikov A, Sirotkin A, Drozdova I, Lapshin A & Grebenshchikova E (OS05:TUam02:G6).

09:00 Powder Refinement of Maya Blue: A Palygorskite-Indigo Complex: Chiari G, Giustetto R, Reyes-Valerio C & Ricchiardi G (OS05:TUam03:G6).

09:15 Evidence of Migrating Fluids in the Upper Mantle: An EPMA Investigation of Trace Elements and Oxidation Ratios of Clinopyroxenes and Glasses in Mantle Xenoliths from Massif Central (France): Wagner C & Fialin M (OS05:TUam04:G6).

09:30 Complete Solid-Solution between Amphiboles with Li and Na at the B-Group Sites: Caballero Donoso JM, Oberti R, Ottolini L & Cannillo E (OS05:TUam05:G6).

09:45 BREAK

Session chaired by Matthias Gottschalk

10:15 New Forms of Cluster Self-Organisation at the Nano-Level and their Role in Crystalline and Non-Crystalline Materials Formation: Askhabov A (OS05:TUam08:G6).

10:30 Kinetics of Fe-Mg Disordering Process in Ca-Rich Orthopyroxene: Zema M, Domeneghetti MC & Tazzoli V (OS05:TUam09:G6).

10:45 Real-Time Observation of High-Pressure Phase Transformations with Complex Impedance Spectroscopy: Poe B & Romano C (OS05:TUam10:G6).

11:00 Computational Study of Al-Si and Al-Mg Ordering Schemes in Muscovite and Phengite: Palin EJ, Dove MT, Redfern SAT, Bosenick A, Sainz-Diaz CI & Warren MC (OS05:TUam11:G6).

11:15 Short and Long-Range M-Site Ordering in Amphiboles: Reece JJ, Redfern SA, Welch MD & Henderson CMB (OS05:TUam12:G6).

11:30 Local Structural Heterogeneity in Spessartine-Grossular Solid Solutions and their Saturation Behaviour: Rodehorst U, Carpenter MA & Geiger CA (OS05:TUam13:G6).

11:45 Cd Distribution Coefficients in Calcite as a Function of the Precipitating Fluid Supersaturation: Fernández-González Á, Villanueva-Zardain AD & Prieto M (OS05:TUam14:G6).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium OS05


(Symposium OS05 Continued in Session TU po on Page 74)



Symposium OS09 Room G7

Geochemistry

Convenors: Rex Taylor & Valerie Chavagnac

Session chaired by Valerie Chavagnac

08:45 Rare Earth Element Mobility and Rb-Sr Open System Behaviour in a High-Pressure Shear Zone of the Monte Rosa Nappe (Western Alps): Pawlig S, Baumgartner LP, Poller U & Todt W (OS09:TUam02:G7).

09:00 Role of Organic Matter and Redox Changes on the Rare Earth Element Distribution in Groundwaters: Dia A, Gruau G & Olivie-lauquet G (OS09:TUam03:G7).

09:15 Recognition of Present Chemical Remobilization in an Old Laterite: Evidence from Trace Elements and Sr, U, Th Isotopes: Dequincey O, Chabaux F, Clauer N, Liewig N, Sigmarsson O & Leprun J (OS09:TUam04:G7).

09:30 Authigenic Fe(II)-Fe(III) Oxihydroxides in Lacustrine Anoxic sediments (Aydat Lake, France) Evidenced by Sequential Chemical Extractions and Mössbauer Spectrometry: Ogier S, Génin JR, Guillet B & Disnar J (OS09:TUam05:G7).

09:45 New Insights on the Global Control of Silicate Weathering Rate Inferred from River Study of the Canadian Shield: Millot R, Gaillardet J, Dupré B & Allègre C (OS09:TUam06:G7).

10:00 A Sr-Nd Isotopic Study on Cenozoic Rift-Related Sediments and Fossils: Some Clues to the Rifting in the French Massif Central: Briot D, Poidevin J & Hugueney M (OS09:TUam07:G7).

10:15 Fast Back-Reactions of Shock-Released CO2 and SO2: Not so Much Volatiles for Climate Changes After the Chicxulub Impact at the K/T Boundary: Agrinier P, Deutsch A & Scharer U (OS09:TUam08:G7).

10:30 Pb Isotope Systematics of Commingled Magmas: Waight T & Lesher C (OS09:TUam09:G7).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).




Symposium PCM2 Room G5

Self-Potential (SP) Measurements: Applications and Interpretations

Convenors: Laurence Jouniaux, Andre Revil & Vincenzo Lapenna

Session chaired by Andre Revil

08:30 KEYNOTE New Perspectives of the Self-Potential Probability Tomography: Patella D (PCM2:TUam01:G5).

09:00 Forward and Inverse Modelling of SP Anomalies Caused by Subsurface Fluid Flow: Numerical Experiments: Sailhac P & Marquis G (PCM2:TUam03:G5).

09:15 Self-Potential Tomographic Techniques for Landslide Monitoring: First Results on Southern Apennine Chain (Italy): Lapenna V, Lorenzo P, Perrone A, Piscitelli S, Rizzo E & Sdao F (PCM2:TUam04:G5).

09:30 Modeling SP Anomalies Caused by Rainfall Infiltration: Darnet M, Marquis G, Sailhac P, Singh A & Gerard A (PCM2:TUam05:G5).

09:45 Searching for Extreme Events in Self-Potential Time Series Measured in a Seismic Active Area of Southern Italy: Balasco M, Chianese D, Cuomo V, Di Bello G & Lapenna V (PCM2:TUam06:G5).

10:00 BREAK

Session chaired by Laurence Jouniaux

10:30 Natural Self-Potential Anomalies Jointly Detected with CO2 Flow Rate Variations in Soos (NW-Bohemia): Balasco M, Heinicke J, Koch U, Martinelli G & Telesca L (PCM2:TUam09:G5).

10:45 KEYNOTE Numerical Simulation of Electrokinetic Potential Induced by Subsurface Fluid Flow in Geothermal and Volcanic Areas: Ishido T (PCM2:TUam10:G5).

11:15 Temporal Variations of Self-Potential (SP) Anomalies at Piton de la Fournaise (Reunion Island): Labazuy P & Huet P (PCM2:TUam12:G5).

11:30 Detection of Magma Movements Based on Transient Streaming Potential: Fujinawa Y, Matsumoto T, Iitaka H & Takahashi K (PCM2:TUam13:G5).

11:45 Electric and Magnetic Fields Generated Through the Electrokinetic Coupling in an Active Volcano: Revil A, Hermitte D, Cochémé JJ & Spangenberg E (PCM2:TUam14:G5).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium PCM2


(Symposium PCM2 Continued in Session TU po on Page 76)



Symposium RCM4 Room F3

Continental Slope Stability (COSTA) of Ocean Margins ­ Achievements and Challenges

Convenors: Juergen Mienert, Jacques Locat, Pierre Cochonat & Phil Weaver

Session chaired by Juergen Mienert

08:30 Earthquake Response of Submarine Sediment: Byrne PM & Konrad J (RCM4:TUam01:F3).

08:45 Failures on the Southeast Canadian Margin: The Canada-COSTA Focus: Piper DJ, Mosher D, Jenner K, Gauley B, Morrison M & Campbell D (RCM4:TUam02:F3).

09:00 The Saguenay Fjord: Integrating Marine Geophysical and Geotechnical Data for Spatial Slope Stability Analysis: Urgeles R, Locat J, Lee H, Martin F & Konrad J (RCM4:TUam03:F3).

09:15 Regional Variability of Factors that Influence Offshore Slope Stability, Synthesis within a GIS: Lee H, Locat J, Dartnell P, Minasian D & Wong F (RCM4:TUam04:F3).

09:30 The Large Matakaoa Slide and its Impact on the Abyssal Plain, Near Hikurangi Margin, New Zealand: Carter L & Lamarche G (RCM4:TUam05:F3).

09:45 Large Slope Failure on the Northern Hikurangi Margin, New Zealand: Dynamics, Timing, and Mass Balance Calculations of the Ruatoria Debris Avalanche: Collot J, Keith L, Geoffroy L & Serge L (RCM4:TUam06:F3).

10:00 Sedimentation Patterns along the North-East Atlantic Continental Margin: Weaver P, Wynn R, Kenyon N & Evans J (RCM4:TUam07:F3).

10:15 BREAK

Session chaired by Pierre Cochonat

10:45 The Traenadjupet Slide Offshore Norway- Age and Sediment Displacement: Laberg JS, Vorren TO & Mienert J (RCM4:TUam10:F3).

11:00 The Storegga Slide; Chronology and Flow Mechanism: Haflidason H, Sejrup HP, Bryn P & Lien R (RCM4:TUam11:F3).

11:15 Large-Scale Continental Shelf Erosion as a Source for Megaturbidites in the Western Mediterranean Sea: Berné S, Bernier P, Dennielou B, Bonnel C & Rabineau M (RCM4:TUam12:F3).

11:30 The Gebra Slide: A Late Quaternary Large-Scale Sliding Event along the Trinity Peninsula Margin, Antarctic Peninsula: Imbo Y, De Batist M, Baraza J & Canals M (RCM4:TUam13:F3).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).




Symposium VPP5 Room G4

Rates of Melting and Melt Extraction in the Mantle and Continental Crust

Convenors: Nick Petford, Ingo Braun, S. Turner & C. Hawkesworth

Session chaired by Nick Petford

08:30 Melt Generation and Segregation in the Lower Crust of the Alboran Domain: The Evidence from Xenoliths in the Neogene Volcanics: Cesare B (VPP5:TUam01:G4).

08:45 Some Thermal Constraints on Crustal Assimilation by Hydrous Mantle Magmas in Calc-Alkaline Batholiths: Matile L, Thompson AB & Ulmer P (VPP5:TUam02:G4).

09:00 Crustal Melt Segregation: The Deformation Predicament: Vigneresse JL & Burg JP (VPP5:TUam03:G4).

09:15 An Experimental Approach for Quantitive Melt Segregation: Lang M, Behrmann J & Grujic D (VPP5:TUam04:G4).

09:30 The Transition from Pervasive to Segregated Melt Flow in Ductile Rock: Podladchikov YY & Connolly JAD (VPP5:TUam05:G4).

09:45 BREAK

Session chaired by Ingo Braun

10:15 Ultra-Fast Source to Surface Movement of Magmas at Island Arcs from Global 226Ra/230Th Systematics: Turner S & Hawkesworth C (VPP5:TUam08:G4).

10:30 The Chemical Signature of Dunite Melt Channels- Implications for Melt Transport in the Mantle: Suhr G (VPP5:TUam09:G4).

10:45 Melt Extraction Rates and (Dis)Equilibrium Melting in Migmatites: Kriegsman LM (VPP5:TUam10:G4).

11:00 Contrasted Tectonic and Magmatic Rates and Transport of Granitic Magma: de Saint-Blanquat M, Tikoff B & Law RD (VPP5:TUam11:G4).

11:15 U-Th-Pa Systematics and Melting Processes in the Azores Region: Bourdon B & Turner S (VPP5:TUam12:G4).

11:30 Melt Migration in a Deforming Mantle: The Role of Non-Dilatent 'Vug-Wave' Propagation: Phipps Morgan J & Holtzman B (VPP5:TUam13:G4).

11:45 Consequences of Diffuse and Focused Porous Melt Transport on U-Series Disequilibria in MORB: Jull M, Kelemen P & Sims K (VPP5:TUam14:G4).

12:15 MEDALLIST LECTURE The Snowball Earth Hypothesis: Testing the Limits of Golbal Change: Paul Hoffman (PL01:TUam16:G0).


Programme for the Next Session in Symposium VPP5


(Symposium VPP5 Continued in Session TU po on Page 78)



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