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  Oral Programme - GD05/TS31 Mantle Plumes, intraplate magmatism, and hotspot-ridge interaction: Geodynamical, Geophysical and Geochemical Aspects

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Convener: van Hunen, J.
Co-Convener: Sallarès, V., Hieronymus, C., Peate, D., Escartin, J., Jones, S.

Wednesday, 27 April 2005

Lecture Room: Lecture Room 5

Chairperson: VAN HUNEN, J.

Select complete timeblock
8:30 - 8:45
EGU05-A-09286;  GD05/TS31-1WE1O-001
Saunders, A.D.; Drachev, S.; Reichow, M.K.
Tracking the Iceland plume across the Arctic Ocean (solicited)

8:45 - 9:00
EGU05-A-08801;  GD05/TS31-1WE1O-002
Arndt, N.; Nolet, G.; Herzberg, C.
Decoupled upwelling between the lower and upper mantle; petrologic and seismic interpretation of mantle plumes

9:00 - 9:15
EGU05-A-05978;  GD05/TS31-1WE1O-003
Dunn, R.; Delorey, A. ; Gaherty, J.
Surface Wave Investigation of the Effect of the Icelandic Hotspot on the Upper Mantle Beneath the Reykjanes Ridge

9:15 - 9:30
EGU05-A-02473;  GD05/TS31-1WE1O-004
Montelli, R. ; Nolet, G.; Dahlen, F. A.
Deep plumes in the mantle: geometry and dynamics

9:30 - 9:45
EGU05-A-04221;  GD05/TS31-1WE1O-005
Nolet, G.; Karato, S.-i.; Montelli, R.
Plume fluxes from seismic tomography

9:45 - 10:00
EGU05-A-10233;  GD05/TS31-1WE1O-006
Gordon, R. G.; Horner-Johnson, B. C.; Kumar, R. R.
Latitudinal shift of the Hawiian hotspot: Motion relative to other hotspots or motion of all the hotspots in unison relative to the spin axis (i.e., true polar wander)?

Coffee Break

Chairperson: HIERONYMUS, C.

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10:30 - 10:45
EGU05-A-02724;  GD05/TS31-1WE2O-001
Tarduno, J. A.; Doubrovine, P. V.; Madoff, R.
Hotspot motion, paleomagnetic tests of plate circuits, and coherency of the Pacific plate

10:45 - 11:00
EGU05-A-01324;  GD05/TS31-1WE2O-002
Hillier, J. K.; Watts, A. B.
Pacific Seamount Volcanism in Space and Time

11:00 - 11:15
EGU05-A-02406;  GD05/TS31-1WE2O-003
Sallarès, V.; Charvis, Ph.; Flueh, E. R.; Bialas, J.
Geophysical evidences for a compositional heterogeneity as origin of the Galapagos hotspot

11:15 - 11:30
EGU05-A-09364;  GD05/TS31-1WE2O-004
Sobolev, A.V.; Hofmann, A.W.; Gurenko, A.A.; Kamenetsky, V.S.; Krivolutskaya, N.A.; Kuzmin, D.V.; Nikogosian, I.K.; Yaxley, G.M.
Recycled materials in mantle plumes and LIPs: evidence from olivine phenocrysts

11:30 - 11:45
EGU05-A-06977;  GD05/TS31-1WE2O-005
Beier, C.; Stracke, A.; Haase, K.M.
Mantle sources and melting processes beneath São Miguel, Azores: origin of a unique geochemical signature inferred from Sr-Nd-Pb-Hf isotope systematics

11:45 - 12:00
EGU05-A-05993;  GD05/TS31-1WE2O-006
Kani, T; Hanan, B; Kingsley, R; Schilling, J.-G.
Pb, Sr, Nd, Hf isotope geochemistry of the North Arch and South Arch lavas: Evidence for multiple sources in the Hawaiian Arch volcanisms


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