Oral Programme GMPV7

GMPV7

New perspectives on the nature and evolution of the oceanic lithosphere
Convener: Bonadiman  | Co-Conveners: Godard , Neumann 
Oral Programme
 / Wed, 22 Apr, 08:30–12:00  / Room 35
Poster Programme
 / Attendance Wed, 22 Apr, 17:30–19:00  / Hall A

Wednesday, 22 Apr 2009
Room 35
Chairperson: E-R Neumann , M. Godard, C. Bonadiman
08:30–08:45
EGU2009-1596
Diversity and origin of Moho in the northern Oman ophiolite (solicited)
S. Arai
08:45–09:00
EGU2009-4118
Highly impregnated slow-spread lithosphere : microstructure and geochemistry of olivine-rich troctolites from IODP Hole U1309D (solicited)
B. Ildefonse, M. Drouin, and M. Godard
09:00–09:15
EGU2009-12524
High-precision zircon dating of oceanic crustal accretion at the Vema Lithospheric Section, Mid-Atlantic Ridge
C.J. Lissenberg, M. Rioux, N. Shimizu, S.A. Bowring, and C. Mével
09:15–09:30
EGU2009-12958
U-Pb zircon geochronology of the Internal Liguride ophiolite (Northern Apennine, Italy)
F. Garzetti, R. Tribuzio, and M. Tiepolo
09:30–09:45
EGU2009-1723
Extreme heterogeneity in North Lanzo peridotite: insights on mantle processes in the sub-continental lithosphere
L. Guarnieri, G.B. Piccardo, E. Nakamura, N. Shimizu, R. Vannucci, and A. Zanetti
09:45–10:00
EGU2009-4271
Recycling of geochemically heterogenous oceanic crust: Significance for the origin of ocean island basalts
S. Duggen, K. Hoernle, F. Hauff, S.-H. Park, and J. Geldmacher
COFFEE BREAK
10:30–10:45
EGU2009-12859
Fore-arc mantle peridotites and back-arc basin basalts from the Izu-Bonin-Mariana subduction factory (ODP LEGs 125 and 195): a modern analogue for Mediterranean ophiolites
A. Zanetti, M. D'Antonio, R. Vannucci, N. Raffone, and P. Spadea
10:45–11:00
EGU2009-9172
Behaviour of fluid mobile elements during subduction and exhumation of abyssal peridotites: Example of serpentinites from Cuba and Dominican Republic
F. DESCHAMPS, S. GUILLOT, M. GODARD, C. CHAUVEL, and M. ANDREANI
11:00–11:15
EGU2009-3558
“Slab graveyards” beneath axial rift of the Mid-Atlantic Ridge?: Evidence from SHRIMP-II dating of zircon in gabbroids from the Markov Deep, 6oN
E. Sharkov, N. Bortnikov, T. Zinger, E. Lepekhina3, and S. Sergeev
11:15–11:30
EGU2009-4028
Ultra-refractory domains in the oceanic mantle lithosphere
E.-R. Neumann and N.S.C. Simon
11:30–11:45
EGU2009-4882
Metasomatic Enrichment of the Lithosphere and its Potential Implications for the Formation of Oceanic and Continental Alkaline Magmas (solicited)
S. Pilet, M.B. Baker, E.M. Stolper, and O. Muntener
11:45–12:00
EGU2009-9447
Disrupted subcontinental mantle in an ocean basin: Sal Island, Cape Verde Arcipelago
M. Coltorti, C. Bonadiman, S. O'Reilly, W. Griffin, and N. Pearson