Program for Session 04h

Wednesday 17th August PM: Floor 1 / Poster Area

04h (Poster): Pb isotopic insights into Earth's evolution: A Tribute to George R. Tilton (1923 - 2010)

1016  U-Pb Dating of Very Low-Grade Metamorphic Titanite
Oliveros V, Simonetti A & Morata D
1017  Pb-Hf-Nd Isotopic Decoupling in Peridotite Xenoliths from Mega (Ethiopia): Insights into the Multistage Evolution of the East African Lithosphere
Bianchini G, Bryce JG, Blichert-Toft J, Beccaluva L & Natali C
1018  Rollback-Enhanced Decompression Melting of a Volatile-Rich Mantle: The Ancient Lavas of Mt. Etna
Bryce J, Graham D, Blichert-Toft J, Hanan B, Miller S, Barkman J, Spera F & Tilton G
1019  Chemical Heterogeneities along the South Atlantic Mid-Ocean-Ridge (5-11°S): Shallow or Deep Recycling of Ocean Crust?
Hauff F, Hoernle K, Kokfelt TF, Haase K, Garbe-Schönberg D & Werner R
1020  Pb Isotopes and the Origin of the ‘ghost Plagioclase’ Signature in Melt Inclusions from the Galapagos Archipelago
Peterson M, Saal A, Nakamura E, Burgess K & Kitagawa H

Thursday 18th August PM: Floor 1 / Panorama Hall

04h (Oral): Pb isotopic insights into Earth's evolution: A Tribute to George R. Tilton (1923 - 2010)
Session chaired by Julie Bryce, Sam Mukasa, Barry Hanan & Kaj Hoernle

14:00  Keynote: George Tilton: Pioneer of Lead Isotope Geochemistry
Hofmann AW
14:30  Invited: George R. Tilton and the Development of U-Pb Geochronology
Mattinson J
14:45  Invited: Carbonatites and Pb Isotopes – Insights into Terrestrial Evolution
Bell K
15:00  Invited: Melting Conditions Associated with the Colorado Plateau, USA
Reid M, Bouchet R & Blichert-Toft J
15:15  Invited: Isotopic Variations in Mafic Volcanic Rocks from the Western Branch of the East African Rift
Graham D, Furman T, Blichert-Toft J, Lupton J, Ebinger C & Rogers N
15:30  A High-Resolution, Multi-Isotopic Study of Mantle Heterogeneity beneath the Southeast Indian Ridge: Preliminary Pb and Hf Results
Hanan B, Blichert-Toft J, Sayit K, Agranier A, Hemond C, Briais A, Maia M, Graham D & Albarède F
15:45  The Christmas Island Seamount Province, Indian Ocean: Origin of Intraplate Volcanism by Shallow Recycling of Continental Lithosphere?
Hoernle K, Hauff F, Werner R, van den Bogaard P, Conrad S, Gibbons A & Müller D
16:00  Ancient Lead Trapped in the Earth’s Upper Mantle
Burton K, Cenki-Tok B, Mokadem F, Harvey J & Parkinson I
16:15  Tracing Mantle Enrichments into Oceanic Crust and Hydrothermal Systems, Juan de Fuca Ridge
Gill J
16:30  Phosphate Dissolution/Precipitation Controls on Isotopic Compositions of Continental Assimilants
Barkman J, Bryce J, Watson B, Blichert-Toft J, Baxter E & Bowring S
16:45  The Pb Age of the Earth from Neoarchean Galenas
Vervoort J, Blichert-Toft J & Albarède F