Conference Agenda

8:30am - 8:45am
ID: 323 / Session 03: 001
Topics: 03: Deciphering the Archean Earth: Crustal Evolution, Geodynamics, and Early Life

Mass-independently fractionated sulfur records surface-derived components in Eoarchean rocks from Greenland and Labrador

J. Elis Hoffmann¹, Jonathan A. Lewis^1,2, Harald Strauss³, Akira Ishikawa⁴, Kenneth D. Collerson⁵, Austin J. Boyd⁶, Carsten Münker⁷, Kristoffer Szilas⁸, Emily Pope⁹, Minik T. Rosing⁸, Martin Whitehouse¹⁰, Esther M. Schwarzenbach¹¹

1: Freie Universität Berlin, Germany; 2: University of Upsalla, Sweden; 3: Universität Münster, Germany; 4: Institute of Science Tokyo; 5: The University of Queensland, Australia; 6: University of Copenhagen, Denmark; 7: Uninversität zu Köln, Germany; 8: Natural History Museum of Denmark, Denmark; 9: Center for Climate and Energy Solutions (C2ES), USA; 10: Swedish Museum of Natural History, Sweden; 11: University of Fribourg, Switzerland

8:45am - 9:00am
ID: 520 / Session 03: 002
Topics: 03: Deciphering the Archean Earth: Crustal Evolution, Geodynamics, and Early Life

176Lu– 176Hf, 147Sm– 143Nd, and HFSE Constraints on the Origin of Archean Komatiites and Basalts from the Western Dharwar Craton, India

Marla Tayeboun^1,2, Arathy Ravindran², Frank Wombacher², Nanila Sasi³, Carsten Münker²

1: Ecole Normale Superieure de Lyon, France; 2: University of Cologne, Cologne, Germany; 3: Pondicherry University, India

9:00am - 9:15am
ID: 460 / Session 03: 003
Topics: 03: Deciphering the Archean Earth: Crustal Evolution, Geodynamics, and Early Life

Linking the Archean Oxygen isotope record with tectonics suggests heterogeneous growth of continental crust

Petr Gromov¹, Jaganmoy Jodder¹, Clinton P. Conrad¹, Trond H. Torsvik¹, Andrea Agangi^2,3, Michael Wiedenbeck⁴, Trond Slagstad⁵, Frederic Couffignal⁴, Sarah M. Glynn^4,6, Carmen Gaina¹

1: Centre for Planetary Habitability (PHAB), University of Oslo, Oslo, Norway; 2: Department of Earth Resource Sciences, Akita University, Akita, Japan; 3: Department of Geology, University of Johannesburg, Johannesburg, South Africa; 4: SIMS Laboratory, GFZ Helmholtz Centre for Geosciences, Potsdam, Germany; 5: Geological Survey of Norway, Trondheim, Norway; 6: School of Geosciences, University of the Witwatersrand, Johannesburg, South Africa

9:15am - 9:30am
ID: 437 / Session 03: 004
Topics: 03: Deciphering the Archean Earth: Crustal Evolution, Geodynamics, and Early Life

Archean crust evolution in Uruguay: From Paloearchean early growth to Mesoarchean re-work and Neoarchean stabilization.

Hernan Silva Lara¹, Klaus Wemmer¹, Pedro Oyhantçabal², Miguel Angelo Stipp Basei³, Mathias Hueck⁴

1: Geoscience Center, Georg-August-University Göttingen, Germany; 2: Geosciences Institute, Universidad de la República, Uruguay; 3: Geosciences Institute, São Paulo University, Brazil; 4: Institute of Geosciences, Ruhr-University Bochum, Germany

9:30am - 9:45am
ID: 445 / Session 03: 005
Topics: 03: Deciphering the Archean Earth: Crustal Evolution, Geodynamics, and Early Life

TTGs formation via fluid-fluxed melting of amphibolite: insights from residual hornblendites in the Kaapvaal Craton

Fernanda Torres Mancinelli^1,2, Johann F.A. Diener³, Silvia Volante², Annika Dziggel¹

1: 1Department of Tectonics and Resources, Institute of Geosciences, Ruhr–Universität Bochum, Bochum, Germany; 2: Structural Geology and Tectonics Group, Geological Institute, Earth and Planetary Sciences Department, ETH Zürich, Zürich, Switzerland; 3: Department of Geological Sciences, University of Cape Town, Upper Campus, South Africa

9:45am - 10:00am
ID: 280 / Session 03: 006
Topics: 03: Deciphering the Archean Earth: Crustal Evolution, Geodynamics, and Early Life

Refining the age of the mid-Ordovician breakup of the L chondrite parent asteroid

Mario Trieloff¹, Jens Hopp¹, Lars-Adrian Stütz¹, Winfried H. Schwarz¹, Thomas Ludwig¹, Ekaterina V. Korochantseva²

1: Universität Heidelberg, Germany; 2: Vernadsky Institute of Geochemistry, Russia