Fall AGU 1996 Session Program
On the Geochemical Earth Reference Model

V11D MC:132 Mon 0830h
Geochemical Earth Reference Model I: Mantle and Oceanic Crust

Presiding: F Albarede, Ecole Normale Superieure de Lyon; W F McDonough, Harvard University.

0830h Introduction
F Albarede, Ecole Normale Superieure de Lyon.

0835h V11D-01 Invited
A Geochemical Earth Reference Model: *F Albarede, H Staudigel, W M White.

0855h V11D-02 Invited
Composition of the Earth's Core: *W F McDonough.

0910h V11D-03 Invited
Mantle Structure, Material Transport and Geochemical Reservoirs: *R J O'Connell, M Manga.

0930h V11D-04 Invited
Constraints on Crust-Mantle Evolution Using Hofmann Ratios: *S B Jacobsen, W F McDonough.

0945h V11D-05
Mineral Compositions and Reactions Between 660 and 750 km Depth: *B J Wood, D C Rubie.

1000h V11D-06
Uncertainties in Mantle Mass Fluxes: *G Davies.

1015h Break.

1045h V11D-07
Thermal and Rare-Gas Evolution of the Mantle: *J P Morgan, W J Morgan.

1100h V11D-08 Invited
Convective Isolation of the Lower Mantle: A Geochemical Update: *A Zindler.

1115h V11D-09
Layered Mantle Viewed From He-Ne Systematics: *M Ozima, M Honda.

1130h V11D-10
Bulk Composition Estimates of Mature Oceanic Crust: Arc Input Constraints and Seawater-Ocean Crust Fluxes: *E Booij, H Staudigel.

1145h V11D-11
The Oxygen Isotopic Composition of the Oceans, Sediments, and the Seafloor: *K Muehlenbachs.

V12B MC:HALL D Mon 1330h
Geochemical Earth Reference Models II Posters

Presiding: H Staudigel, Vrije University; W White, Cornell University.

1330h V12B-02 Poster
Olivine-Liquid Partitioning for Vanadium and the Oxidation State of Archean Magmas: *D Canil.

1330h V12B-03 Poster
Isotopic Evolution of Pacific MORB: Implications for the Isotopic Diversity of Modern MORB: *P R Castillo, P E Janney.

1330h V12B-04 Invited Poster
Evidence for the Presence of Hawaii Plume Material Beneath the Northern East Pacific Rise: A Trace Element and Nd-Pb-Sr Isotopic Study of Lavas From the EPR at 11 ^o20'N: *Y Niu, K D Collerson, R Batiza, J I Wendt, M Regelous.

1330h V12B-05 Poster
The Compaction Reaction: Magma Channel Formation by Reactive Flow in Deformable Media: *M Spiegelman, E Aharonov, P B Kelemen.

1330h V12B-06 Poster
Oxygen Isotopic Fluxes Associated With High Temperature Processes in the Rift Zones on Iceland: Implications for the Generation of Low 18-O Magmas: *B Gautason, K Muehlenbachs1330h.

V12B-07 Poster
Chemical Weathering Yields From Basement Terrains in Sub-Arctic Climates: The Rivers of Eastern Siberia: A Zaitsev, *Y Huh, J M Edmond.

1330h V12B-08 Poster
Nd-Sr-Pb Isotope and Trace Element Geochemistry of Diamondiferous Ultramafic and Mafic Rocks: Valaginsky Range, Eastern Kamchatka Arc: *K D Collerson, P Kepezhinskas.

1330h V12B-09 Poster
Island Arc Mantle: A Depleted Mantle End-Member and a Protolith for the Cratonic Lithosphere: *P Kepezhinskas, M J Defant.

1330h V12B-10 Poster
Eclogites as a Monitor for Trace Element Fractionation During Devolatilization of Subducted Basaltic Crust: *H Becker, R W Carlson, K P Jochum.

1330h V12B-11 Poster
Tectonic Setting, Mineralogy and Petrology of Alkaline Rocks From the Russian Far East: *S Norrell, P Kepezhinskas, M Defant, J Ryan, K Collerson, V Prikhodko, A Romashkin.

1330h V12B-12 Poster
Sr, Nd, Pb, and O Isotope Signatures of an Off-Rift Volcanic Center in Southeast Iceland: *T Prestvik, S Goldberg, A Campbell, K Gronvold.

1330h V12B-13 Poster
Nd Isotope Compositions of the Three Komatiite-Tholeiite Sequences From Abitibi: Implications for Archean Mantle Heterogeneity: *Q Xie, R Kerrich.

1330h V12B-14 Poster
The Impact of Carbon on Element Distribution During Core Formation: *D Jana, D Walker.

Geochemical Earth Reference Models III: Continents, Sediments and CO₂

Presiding: H Staudigel, Vrije University; W White, Cornell University.

0835h V21D-01
Biologically Mediated Seawater Dissolution of Volcanic Glass: Microbes and the GERM: *H Staudigel, E Verdurmen, G R Davies, R A Chastain, A Yayanos, H deBaar, W B Bourcier.

0850h V21D-02 Invited
Heat Flow and the Composition of the Continents: *R L Rudnick, W F McDonough, R J O'Connell.

0905h V21D-03 Invited
Metamorphism and the Global Carbon Cycle: *M J Bickle.

0920h V21D-04
Fixation Rates of Carbon Dioxide by Chemical Weathering in the Continental Arc of the Western Americas, 15^oS to 70^oN: J M Edmond, *Y Huh.

0935h V21D-05
How Does Himalayan Erosion Affect the Carbon Cycle?: Organic vs. Inorganic Carbon Budgets: *L A Derry, C France-Lanord.

0950h V21D-06
The Hydrogen Isotope Composition of Seawater and the Global Water Cycle: *C Lecuyer, P Gillet, F Robert.

1005h Break.

1025h V21D-07
Invited Mass Flux of Terrigenous Sediments Into and Out of the Ocean: Present and Past: *D K Rea, L J Ruff, D M Dobson, E T Weber, A N Halliday.

1045h V21D-08
Himalayan Erosion and Weathering: Estimation of Riverine Fluxes to the Ocean: *C France-Lanord, A Galy, L A Derry.

1100h V21D-09
Trace Element Geochemistry of Continental Aerosols: *J Carignan, J Ludden.

1115h V21D-10
Invited The Geochemical Composition of Subducting Sediment: Implications for the Composition of the Upper Crust: *T Plank, C H Langmuir.

1130h V21D-11
Incompatible Element Flux to the Deep Mantle in the Lesser Antilles Subduction Zone: *W M White, D R Gravatt, J D Devine.

V22B MC:300 Tues 1330h
Geochemical Earth Reference Model IV: Core-Mantle

Presiding: F Albarede, Ecole Normale Superieure de Lyon; W White, Cornell University.

1330h INTRODUCTION: F Albarede, Ecole Normale Superieure de Lyon.

1335h V22B-01 Invited
Geochemical Reference Points From the Hf Isotopes: *V Salters, B White.

1350h V22B-02
Oceanic Island Magmatism - Hawaii vs. Kerguelen: What Do We Learn From Differences Between Plumes?: *D Weis, F A Frey.

1405h V22B-03
Alterations of the Upper 1.8 Kilometers of Oceanic Crust: A Lithium Isotope Record at ODP Site 504B: *L H Chan, J C Alt, D A H Teagle.

1420h V22B-04
Invited Modeling Formation of Continental Lithospheric Mantle: *R A Frankland, K D Collerson, A Ewart, Y Niu, P Kepezhinskas, M J Defant.

1435h V22B-05
Invited Re-Os Isotopic Constraints on Crust-Mantle Evolution: *Q Yin, S B Jacobsen.

1450h V22B-06
Past and Present D/H Distribution in the Earth and Exchange of Water Between Its Different Reservoirs: *E Deloule.

1505h Break.

1525h V22B-07
Is There a Global H-cycle? Evidence From H₂O and Trace Element Systematics of Earth Reservoirs: *D R Bell.

1540h V22B-08
Contemporary Non-volcanic CO₂ Degassing in Central Italy: *J D Rogie, D M Kerrick, G Chiodini, F Frondini.

1555h V22B-09
Two-Stage Melting of a Multi-Component Mantle: An Alternative Paradigm for the Generation of MORB and OIB: *W J Morgan, J P Morgan.

1610h V22B-10
Three-Liquid Immiscibility in the Model Earth System, Fe-Fe₂O₃-MgO-SiO₂: Differentiation of a Hadean Molten Mantle: *D C Presnall, J A Dalton.

1625h V22B-11
Behavior of Volatile Elements During Core Formation: *J Li, C B Agee.

 

 

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