Thursday, 6 May 2010
Room 25
Chairperson: Theo Ntaflos
08:30–08:45
EGU2010-542 MANTLE XENOLITH-BEARING VOLCANICS FROM THE CAINOZOIC ADRAR N'AJJER MASSIF (North Central-oriental Hoggar, South Algeria) : PETROLOGICAL EVIDENCES Farida AÏT-HAMOU, Michel GRÉGOIRE, Suzanne O'REILLY, William L. GRIFFIN, and Massimo COLTORTI
08:45–09:00
EGU2010-12834 Tracing the metasomatic and magmatic evolution of continental mantle roots: A case study of high 238U/204Pb and 232Th/204Pb clinopyroxenes from Middle Atlas (Morocco) peridotite xenoliths Nadine Wittig, D. Graham Pearson, Joel A. Baker, Svend Duggen, and Kaj Hoernle
09:00–09:15
EGU2010-675 Osmium isotopes suggest fast and efficient mixing in the oceanic upper mantle.
(solicited)
Michael Bizimis and Vincent Salters
09:15–09:30
EGU2010-14822 Metasomatism in mantle xenoliths from intraplate and suprasubduction settings Coltorti Massimo
09:30–09:45
EGU2010-4882 Proterozoic Os model ages of sulfides in mantle peridotites from the Ronda massif (southern Spain): insights into the evolution of the W European subcontinental lithospheric mantle Claudio Marchesi, William L. Griffin, Carlos J. Garrido, Jean-Louis Bodinier, Suzanne Y. O'Reilly, and Norman J. Pearson
09:45–10:00
EGU2010-10864 The “reactive Giovanni Battista Piccardo and Luisa Guarnieri
COFFEE BREAK
10:30–10:45
EGU2010-14496 Formation and metasomatism of continental lithospheric mantle in intra-plate and subduction-related tectonic settings
(solicited)
Dmitri Ionov
10:45–11:00
EGU2010-13170 Nd, Sr and Pb isotopic composition of metasomatised xenoliths from the backarc Patagonian Mantle Wedge: Insights into the origin of the uprising melts Alberto Zanetti, Maurizio Mazzucchelli, Christope Hemond, Anna Cipriani, Gustavo W. Bertotto, Carlos Cingolani, and Riccardo Vannucci
11:00–11:15
EGU2010-2112 Melt-rock interaction in supra-subduction mantle: evidences from veined peridotites from the Avacha volcano, Kamchatka Bénard Antoine and Ionov Dmitri A.
11:15–11:30
EGU2010-9571 Carbonatite melt infiltration in mantle xenoliths from the Eurasian plate - North American modern plate collision zone (Ruditch, Yakutia) Cornelius Tschegg, Theodoros Ntaflos, Viacheslav Akinin, and Christoph Hauzenberger
11:30–11:45
EGU2010-7810 Lateral variation in lithospheric mantle beneath NE Bohemian Massif Jacek Puziewicz and Magdalena Matusiak-Małek
11:45–12:00
EGU2010-10267 Metamorphic re-equilibration of highly chromian garnet-rich xenoliths from South African kimberlites
Tim Ivanic, Ben Harte, and John Gurney