Goldschmidt 2000 Daily Programme

Cambridge Publications

Publishing for Science


Goldschmidt 2000

An International Conference for Geochemistry

September 3rd - 8th 2000

Oral Sessions, Tuesday, 5th September, 09:00 - 12:00



Symposium A

Terrestrial Planets and Meteorites

Convenors: Alex Halliday & Ed Young.

Location: Clarendon Lindemann.

09:00 Javoy M:

The EH Earth and the Chronology of its Formation

09:15 Quitté G, Birck J & Allègre CJ:

Chronology of Early Events in the Eucrite Parent Body According to Hf-W Systematics

09:30 Righter K & Shearer CK:

Comparative Partitioning of Hf and W in Silicates: A Key to Understanding Radiogenic W in Terrestrial Planets

09:45 Young ED:

Terrestrial Planet Chemistry Explained by Evaporation of Dust in the Early Solar Nebula

10:00 Allègre C, Manhès G & Lewin É:

Systematics for the Bulk Chemical Composition of the Earth Planet

10:15 Podosek FA, Woolum DS, Cassen P & Nichols, Jr. RH:

Solar Gases in the Earth by Solar Wind Irradiation?

10:30 Hidaka H:

Isotopic Study of Neutron Capture Effects on Sm and Gd in Extraterrestrial Materials

10:45 Lee D, Halliday A, Snyder G & Taylor L:

Lu-Hf Systematics and the Early Evolution of the Moon

11:00 Sharkov EV, Bogatikov OA & Ryakhovskyi VM:

Similarities and Distinctions of Terrestrial Oceanic and Lunar Mare Magmatism: Evidence from Geochemical Data

11:15 Morgan JW, Walker RJ, Brandon AD & Horan MF:

Siderophile Elements in Earth's Upper Mantle and Lunar Breccias: Manifestations of the Same Late Influx

11:30 Holzheid A & Palme H:

Solubility of Germanium in Silicate Melts and its Significance for Core Formation in the Earth

11:45 Kramers J & Tolstikhin I:

Early Earth Evolution: Constraints from Combined Siderophile Element and Noble Gas Modeling
Programme for the Next Session in Symposium A




Symposium C

Subduction Zone Processes

Convenors: Jon Blundy, Chris Hawkesworth & Dave Rubie.

Location: Clarendon Townsend.

09:00 Kaneoka I:

Noble Gas and Other Isotope Characteristics Relating to the Subduction Processes Around the Japanese Islands

09:15 Scambelluri M, Bottazzi P, Trommsdorff V & Vannucci R:

Solute-rich Supercritical Fluids Released from Deeply Subducted Hydrous Mantle

09:30 Eiler J & Schiano P:

KEYNOTE Evidence for Slab-derived Silicate Melt in the Sub-arc Mantle

10:00 Turner S, Bourdon B & Hawkesworth C:

A U-Th-Pa-Ra Isotope Constraints on Element Transfer Time Scales beneath the Tonga-Kermadec Island Arc

10:15 Suzuki K & Tatsumi Y:

Re-Os Isotopic Systematics of Setouchi High-Mg Andesites, SW Japan: Evidence for Slab Melting

10:30 Godon A, Jendrzejewski N, Castrec-Rouelle M, Dia A, Pineau F, Boulègue J & Javoy M:

Chlorine Recycling in Subduction Zones: New Constraints from Chlorine Stable Isotopes

10:45 Discussion:

11:00 Rapp RP:

KEYNOTE A Reassessment of the Origins of Silicic Magmas in Subduction Zones

11:30 Kamber BS & Collerson KD:

Element Fractionation in Subduction Zones: An Eclogite, Adakite, and 3.7 Ga Tonalite Perspective

11:45 Kerrick D & Connolly J:

Metamorphic Decarbonation and CO2 Release in Subduction Zones: Implications to Fluid Fluxes and Volatile Recycling
Programme for the Next Session in Symposium C




Symposium D

Rapid Climate Change (Continents/Oceans)

Convenors: Edouard Bard & Frank McDermott.

Location: Physical Chemistry.

09:00 Tamburini F, Steinmann P, Gueguen C, Adatte T & Föllmi K:

Variations of Detrital Inputs to the South China Sea from 0 to 150 kyr: A Mirror of Climate Change

09:15 Ostertag-Henning C:

Spatial and Temporal Distribution of Biomarkers in Sediments of the California Current System: Clues to Paleoecology and Paleoclimate

09:30 Moreno A, Targarona J, Henderiks J, Canals M & Freudenthal T:

Orbital Forcing of Dust Supply to the North Canary Basin Over the Last 250 kyrs

09:45 Schefuss E, Pancost RD, Jansen JHF & Sinninghe Damsté JS:

The mid-Pleistocene Climate Transition: Insight from Organic Geochemical Records from the Tropical Atlantic

10:00 Lamy F, Hebbeln D, Rühlemann C & Wefer G:

Reconstructing Continental Paleoclimate and Paleoceanographic Changes along the Chilean Continental Margin

10:15 Arz H & Pätzold J:

Late Glacial and Holocene Climate Changes in the Northern Red Sea: Teleconnections to the North Atlantic

10:30 Cobb K, Charles C, Kastner M, Edwards L & Cheng H:

Tropical Climate Characteristics of the Last Millennium as Revealed by Splicing Fossil Corals from the Central Pacific

10:45 Boyle E:

KEYNOTE Bermuda Rise Deepwater Link to Abrupt Climate Change in Greenland: Interstadials 8-14

11:15 Stott L & Thunell R:

Millennial-Scale Climate Variability in the Indo-Pacific Warm Pool During Marine Isotope Stage 3

11:30 Thomson J, Mercone D, Abu-Zied R, Croudace I & Rohling E:

Geochemical and Micro-palaeontological Evidence of a Climatic Perturbation during Formation of the Most Recent Eastern Mediterranean Sapropel

11:45 Kim J, Schneider RR, Hebbeln D, Müller PJ & Wefer G:

Alkenone-derived High-resolution Sea Surface Temperature Reconstruction in the Eastern South Pacific off Mid-latitude Chile over the Past 33 kyr
Programme for the Next Session in Symposium D




Symposium E

Biological Geochemistry

A Session Dedicated to Prof Roland Wollast Session

Biogeochemical Cycles: From Local to Global Scales

Convenors: Philippe Van Cappellen, Lei Chou, Pierre Regnier & Jean-Pierre Vanderborght.

Location: Oxford University Museum.

09:30 Mackenzie F:

Introduction

09:30 Lehmann M, Bernasconi SM, Barbieri A & McKenzie JA:

Carbon and Nitrogen Stable Isotope Tracing of Biogeochemical Processes in Eutrophic Lake Lugano, Switzerland

09:45 Pfeifer K, Hensen C, Adler M, Wenzhöfer F, Strotmann B & Schulz HD:

Modeling of Subsurface Calcite Dissolution Regarding Respiration and Re-oxidation Processes in the Equatorial Upwelling off Gabon

10:00 Thamdrup B & Dalsgaard T:

Quantification of Ammonium Oxidation to Dinitrogen Coupled to Manganese Oxide Reduction in Marine Sediment

10:15 Dixit S & Van Cappellen P:

Role of Detrital Matter in the Benthic Silica Cycle

10:30 Furukawa Y, Bentley S & Lavoie D:

How Infauna Metabolism and Burrow Water Irrigation Affect Early Diagenesis in Burrowed Aquatic Sediments ­ A Simulation Study Using Dynamic Bio-irrigation Model

10:45 Boudreau BP & Choi J:

Modelling Bioturbational Effects with a Particle Lattice-Automaton Model

11:00 Haas J & DiChristina T:

Thermodynamics of Reversible Proton Exchange and Metal Sorption onto Shewanella putrefaciens

11:15 Zhang H, Davison W, Mortimer RJG & Krom MD:

High Volumetric Resolution Reveals Inter-dependence of Metal Mobilisation in Sediments

11:30 Helz GR:

Rise of Recent Coastal Eutrophication Chronicled by Sedimentary Mo

11:45 O'Kane JP & Regnier P:

Current Developments and new Directions in Operational Biogeochemical Modeling: The "Blue" City Project as an Example
Programme for the Next Session in Symposium E




Symposium G

Flow and Reaction of Fluids in Crust

Convenors: Marian Holness & Terry Seward.

Location: Zoology A.

09:00 Manning CE & Newton RC:

The Solubility of Quartz and Calcite in H2O-NaCl Solutions at High Pressure: Constraints on Mass Transfer in the Deep Crust

09:15 Zheng Y, Satir M & Metz P:

Experimental Studies of Oxygen Isotope Exchange between Calcite and Tremolite in the Absence and Presence of Fluid

09:30 Stefansson A & Seward TM:

Gold(I) Complexing by Sulphide Ligands in Hydrothermal Solutions to 450 oC at 500 bar

09:45 Bailey E, Mosselmans F & Schofield P:

An XAS Study of the pH and Temperature Dependence of Uranium Speciation in Acetate and Citrate Solutions

10:00 Zakaznova-Iakovleva V & Seward T:

The Hydrolysis of As(III) and Sb(III) in Hydrothermal Solutions to 300oC

10:15 Pokrovski G, Zakirov I & Roux J:

Arsenic Speciation and Transport in Hydrothermal Vapour and Low-density Crustal Fluids

10:30 Archibald SM, Migdisov AA & Williams-Jones AE:

The Stability of Group IB (Cu, Ag, Au) Metals in Water Vapour at Elevated Temperatures and Pressures

10:45 Collings M & Sherman D:

Speciation of Cu+ in Hydrothermal NaCl Brines from Molecular Dynamics

11:00 Tagirov B, Schott J & Harrichoury J:

Experimental Determination of the Stability of Aluminum-Fluoride Complexes to 300 ºC in Near-Neutral and Alkaline Solutions

11:15 Ragnarsdottir KV:

Aqueous Transport of Rare Earth, Alkaline and Alkaline Earth Elements with Organic Acids: Implications for Radionuclide Transport

11:30 Lin H & Manning C:

Experimental Determination of the Solubility of Diaspore in Pure H2O at 0.5-2 GPa and 350-450 ºC

11:45 Poitrasson F, Oelkers EH, Schott J & Montel J:

Experimental Study of Monazite-Water Interaction from 21 to 300 ºC
Programme for the Next Session in Symposium G




Symposium H

Weathering and Erosion: Mechanisms and Rates

Convenors: Mike Bickle, Niels Hovius & Mike Summerfield.

Location: Zoology B+C.

09:00 White A, Bullen T, Schulz M, Blum A, Huntington T & Peters N:

KEYNOTE A Model Describing Differential Rates of Feldspar Weathering in Granitic Regoliths

09:30 Dia A, Benedetti M, Riotte J, Chabaux F, Boulègue J, Bulourde M, Chauvel C, Gérard M, Deruelle B & Ildefonse P:

Chemical Weathering of Basaltic Lava Flows Suffering Extreme Climatic Conditions: The Water Geochemistry Record

09:45 Sak P, Brantley S, Fisher D & Gardner T:

A Diffusion Model for Weathering Rind Genesis in a Tropical Setting

10:00 Galy A, Bar-Matthews M, Halicz L & O'Nions RK:

Mg Isotope Fractionation During Speleothems Formation

10:15 Allègre C, Dupré B & Gaillardet J:

KEYNOTE Potamochemistry and the Gross Erosion Processes of Continents

10:45 Levasseur S, Birck J & Allègre CJ:

Sources of Dissolved Osmium in Rivers

11:00 Vigier N, Bourdon B, Turner S & Allegre CJ:

Timing of Chemical Weathering with U-decay Series Measured in Rivers

11:15 France-Lanord C, Galy A, Gajurel A, Derry L, Evans M, Hurtrez J, Riotte J, Pierson-Wickmann A & Rose E:

Erosion Processes and Fluxes in the Central Himalaya from Geochemical Constraints

11:30 Chabaux F, Riotte J, Clauer N & France-Lanord C:

U Fluxes of the Himalayan Rivers: Implications for the U Oceanic Budget

11:45 Dalai TK, Trivedi J & Krishnaswami S:

Re Geochemistry of the Yamuna River in the Himalaya
Programme for the Next Session in Symposium H




Symposium J

Mantle Dynamics and Melting

Convenors: Tim Elliott & Erik Hauri.

Location: Clarendon Martin Wood.

09:00 Büchl A, Brügmann G, Batanova VG, Hofmann A & Sobolev AV:

Os Isotopic Heterogeneity in Mantle Peridotites from the Troodos Complex, Cyprus

09:15 Snow JE & Hellebrand E:

Major and Trace Elements Directly Contradict Melt Interaction Interpretations of MARK Area Os Isotopic and PGE Results

09:30 Griselin M, Davies GR & Pearson DG:

Variations in Melting Conditions along the Xigaze Ophiolite (Tibet): A Transition from Ridge to Arc Setting?

09:45 Graham DW & Spera FJ:

Spatial Statistics of Isotopic Variations along Mid-Ocean Ridges

10:00 Galer SJG, Abouchami W & Macdougall JD:

KEYNOTE Pb Isotopic Evidence for Coherent Mantle Domains beneath the East Pacific Rise

10:30 Discussion:

10:45 Sims KW, Blichert-Toft J & Perfit M:

KEYNOTE Melting beneath the East Pacific Rise, 9-10 N: Implications from Combined Nd-Hf-Sr-Th Isotopic Measurements

11:15 Landwehr D, Blundy JD & Wood BJ:

Partitioning of U and Th between low-Ca-Clinopyroxenes and Anhydrous Silicate Melts: Consequences for the Generation of U-Th-Diseqilibrium During Mantle Melting

11:30 Hellebrand EW, Snow JE & Hofmann AW:

Ghost Garnet Signature in Residual Abyssal Peridotites?

11:45 Asimow P:

Modeling Hydrous Melt Production and Fractionation at Mid-ocean Ridges: Application to the Azores Region
Programme for the Next Session in Symposium J




Symposium M

Chemistry and Microbiology of Pollution

Convenors: Adrian Bath & Barbara Sherwood-Lollar.

Location: Earth Sciences.

09:00 Banfield JF, Gihring TM, Suzuki Y, Barker WW, Bond PL, Fowle D, Labrenz M, Welch SA, Zhang H & Hamers RJ:

KEYNOTE Geomicrobiological Controls on the Fate of Metals in the Environment

09:30 Webster J, Lane V, Howarth R, Swedlund P & Saul D:

Factors Influencing the Precipitation of Sulphate-rich Iron Oxides, and their Ability to Adsorb Trace Metals

09:45 Fowle D, Welch S, Thompson-Ebert T & Banfield J:

The Effects Biogenic Nanoscale Iron Oxyhydroxides on Metal Mobilities in Near-surface Water-rock Systems

10:00 Fein J, Cahill J, Fowle D, Kemnore K, Bunker B & Boyanov M:

Non-Metabolic Reduction of Cr(VI) by Bacterial Surfaces Under Nutrient-Absent Conditions

10:15 Yee N & Fein J:

Cd Adsorption onto Bacterial Surfaces: A Universal Adsorption Edge

10:30 Templeton A, Trainor T, Traina S, Spormann A & Brown, Jr. G:

Pb Speciation at Sapphire and Hematite Surfaces Associated with Bacterial Biofilms

10:45 Discussion:

11:00 Stichbury MK, Bain JG, Gould W & Blowes DW:

The Mechanisms of Release and Attenuation of Arsenic in a Gold Mine Tailings Impoundment

11:15 Pickett D, Leslie B, Murphy W & Nugent M:

Estimating Radionuclide Release from a Uranium Deposit Through Uranium-series Systematics in Carbonates and Opal

11:30 Brydie J & Polya D:

Environmental Geochemistry of Organic-Inorganic Interactions from Alluvial to Estuarine Systems: A Case Study of the River Conwy, North Wales

11:45 Öhlander B & Holmström H:

Geochemistry of the Tailings-Pond Water Interface in the Flooded Tailings Pond at Stekenjokk, Northern Sweden
Programme for the Next Session in Symposium M




Symposium O

Mantle and Igneous Geochemistry

Convenor: Nigel Harris.

Location: Inorganic Chemistry.

09:00 Zheng Y, Gong B, Li Y, Wang Z & Fu B:

Carbon Concentrations and Isotopic Ratios of Eclogites from the Dabie and Sulu Terranes in China

09:15 Matsumoto T, Chen Y & Matsuda J:

Noble Gases in Alpine-type Peridotites from the Horoman Ultramafic Complex, Northern Japan

09:30 Kagi H, Lu R, Davidson P, Goncharov AF, Mao H & Hemley RJ:

Evidence for Ice VI as an Inclusion in Cuboid Diamonds from High P-T Near Infrared Spectroscopy

09:45 Yokochi R, Sano Y, Takahata N, Terada K, Ozima M & Chaves M:

Constraints on the Origin of Carbonado from C and N Isotopes in Diamond Matrix and Studies of Inclusion Minerals

10:00 Hatton C:

Evidence for the Existence of the low 176Hf/177Hf Component in Majorite Garnets Included in Diamonds from the Monastery Kimberlite

10:15 Wagner C, Mokhtari A, Deloule E & Chabaux F:

Complex Clinopyroxene Assemblage in Carbonatite and Alkaline Xenoliths from Moroccan Camptonites: Evidence for an Open-System Evolution

10:30 Appora I, Eiler JM & Stolper EM:

Experimental Determination of Oxygen-isotope Fractionations between CO2 Vapor and Soda-melilite Melt

10:45 Widdowson M, Kelley S & Spicer R:

Determinations for the Duration and Timing of the Deccan CFB

11:00 Moreira M, Gautheron C & Allègre C:

He-Ne Systematics in MORB, Loihi, Iceland and Pitcairn: Constraints on He Loss in OIB

11:15 Temel A, Gourgaud A, Alici P & Bellon H:

The Role of Asthenospheric Mantle in the Generation of Tertiary Basaltic Alkaline Volcanism in the Polatli-Ankara Region, Central Anatolia, Turkey: Constraints from Major-element, Trace-element and Sr-Nd Isotopes

11:30 Ballentine CJ & Barfod DN:

The Origin of Air-like Noble Gases in MORB and OIB

11:45 Griffin WL, Wang X, Jackson SE, Pearson NJ, O'Reilly SY & Xu X:

Tracking Magma Mixing: In-situ Hf-isotope Analysis of Zircons

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