Orals GMPV1/GD2.1
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GMPV1/GD2.1 Origin, evolution of Earth's crust and the formation of a habitable planet (co-sponsored by GMPV and AGU-VGP) (co-organized) |
| Convener: Bruno Dhuime | Co-Convener: Pierre Bouilhol |
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Friday, 12 April 2013 Room G6 Chairperson: P. Bouilhol & B. Dhuime |
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| 08:30–08:45 |
EGU2013-6346
| presentation
A legacy of Hadean silicate differentiation inferred from Hf isotopes in Eoarchean rocks of the Nuvvuagittuq supracrustal belt (Québec, Canada) Martin Guitreau, Janne Blichert-Toft, Stephen J. Mojzsis, Antoine S.G. Roth, and Bernard Bourdon |
| 08:45–09:00 |
EGU2013-2331
Archaean tectonic systems: a naive geochemist's view Jean-François Moyen |
| 09:00–09:15 |
EGU2013-2112
Sink or swim? The fate of Archean primary crust and the generation of TTG magmas Tim Johnson, Michael Brown, and Jill VanTongeren |
| 09:15–09:30 |
EGU2013-10607
The dehydration of slabs in the Early Earth regime and its implications for continental crust composition Valentina Magni, Pierre Bouilhol, Jeroen van Hunen, and Lars Kaislaniemi |
| 09:30–09:45 |
EGU2013-4855
Episodic Earth Evolution Nicholas T. Arndt and Anne Davaille |
| 09:45–10:00 |
EGU2013-6873
Evolution of the continental crust as recorded in accessory minerals (solicited) Tsuyoshi Iizuka |
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COFFEE BREAK
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| 10:30–10:45 |
EGU2013-12659
Archean Subduction or Not? The Archean Volcanic Record Re-assessed. Julian Pearce, David Peate, and Hugh Smithies |
| 10:45–11:00 |
EGU2013-7203
Onset of Plate Tectonics in a Compositionally Stratifed Mantle Ulrich Hansen and Sabine Dude |
| 11:00–11:15 |
EGU2013-2113
Secular change in ambient upper-mantle temperature and the transition from Archean to Proterozoic tectonics: Insights from the rock record and phase equilibria modeling Michael Brown, Tim Johnson, and Jill VanTongeren |
| 11:15–11:30 |
EGU2013-12549
Clues to atmospheric evolution in Earth's ancient crust (withdrawn) Mark Claire |
| 11:30–11:45 |
EGU2013-9152
Sedimentary cobalt concentrations track marine redox evolution Elizabeth Swanner, Noah Planavsky, Stefan Lalonde, Jamie Robbins, Andrey Bekker, Olivier Rouxel, Kurt O. Konhauser, and Stephen J. Mojzsis |
| 11:45–12:00 |
EGU2013-9082
Revaluating the bioinorganic bridge: Biological metal limitation on a heterogeneous early Earth (solicited) (withdrawn) Aubrey Zerkle |