The Making of a Continent I

Thursday, 18 December 2014: 8:00 AM-10:00 AM
Chairs:  Richard W Carlson, Carnegie Institution for Science, Washington, DC, United States and Grant Michael Bybee, University of the Witwatersrand, Johannesburg, South Africa
Primary Conveners:  Richard W Carlson, Carnegie Inst Washington, Washington, DC, United States
Co-conveners:  Grant Michael Bybee, University of the Witwatersrand, Johannesburg, South Africa, Oliver E Jagoutz, Massachusetts Institute of Technology, Cambridge, MA, United States and Stephen Wayne Parman, Brown University, Providence, RI, United States
OSPA Liaisons:  Francis Albarede, Ecole Normale Supérieure Lyon, Laboratoire de Géologie de Lyon, Lyon, France

Abstracts Submitted to this Session:

8:00 AM
On craton thinning/destruction: Insight from 2D thermal-mechanical numerical modeling
Jie Liao, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
8:15 AM
The Making of Early Continents and the Initiation of Plate Tectonics on Earth
Patrice F Rey, University of Sydney, Sydney, Australia, Nicolas Coltice, University of Lyon, Villeurbanne, France and Nicolas E Flament, University of Sydney, Sydney, NSW, Australia
8:30 AM
Convergent Plate Boundary Processes in the Archean: Evidence from Greenland
Ali Polat, University of Windsor, Windsor, ON, Canada
8:45 AM
Geologically Controlled Isotope-Time Patterns Reveal Early Differentiation and Crust Formation Processes
Vickie C Bennett, Australian National University, Canberra, ACT, Australia and Allen P. Nutman, University of Wollongong, School of Earth and Environmental Sciences, Wollongong, Australia
9:00 AM
The petrogenesis of ultramafic rocks in the >3.7 Ga Isua supracrustal belt, SW Greenland
Kristoffer Szilas, Columbia University in the City of New York, Palisades, NY, United States, Peter B Kelemen, Columbia University, Palisades, NY, United States and Minik T. Rosing, Natural History Museum of Denmark, Copenhagen, Denmark
9:30 AM
The Building of the Archean Superior Craton: Thermal Perspective
Claude P Jaupart, Institut de Physique du Globe de Paris, Paris, France and Jean-Claude Mareschal, University of Quebec at Montreal UQAM, Montreal, QC, Canada
9:45 AM
Temporal Evolution of the Upper Continental Crust: Implications for the Mode of Crustal Growth and the Evolution of the Hydrosphere
Roberta L Rudnick1, Richard M Gaschnig1, Su Li1, Ming Tang1, Lin Qiu2, John W Valley3, Claire Zurkowski1 and William F McDonough1, (1)University of Maryland College Park, Department of Geology, College Park, MD, United States, (2)Yale University, New Haven, CT, United States, (3)Univ Wisconsin Madison, Madison, WI, United States