Table of Contents
Preface
Keith Benn, Jean-Claude Mareschal, and Kent C. Condie vii
Introduction: Archean Geodynamics and EnvironmentsKeith Benn, Jean-Claude Mareschal, and Kent C. Condie 1
Global Context
Archean Geodynamics and the Thermal Evolution of EarthJun Korenaga 7
Continental Growth and the Archean ParadoxA. Lenardic 33
Archean Geodynamics: Similar to or Different From Modern Geodynamics?Kent C. Condie and Keith Benn 47
Thermomechanical Evolution of Continents
Archean Thermal Regime and Stabilization of the CratonsJean-Claude Mareschal and Claude Jaupart 61
Creation and Preservation of Cratonic Lithosphere: Seismic Constraints and Geodynamic ModelsC. M. Cooper, A. Lenardic, A. Levander, and L. Moresi 75
Geochemical/Petrologic Constraints on the Origin of Cratonic MantleCin-Ty Aeolus Lee 89
Crustal Ductility and Early Continental TectonophysicsR. G Bailey 115
Thermal and Mechanical Controls on the Evolution of Archean Crustal Deformation: Examples From Western AustraliaSimon Bodorkos and Mike Sandiford 131
Subduction
Experimental Constraints on TTG Petrogenesis: Implications for Archean GeodynamicsJean-Frangois Moyen and Gary Stevens 149
Geodynamic Modeling of Late Archean Subduction: Pressure-Temperature Constraints From Greenstone Belt Diamond DepositsC. O'Neill and D. A. Wyman 1 77
Reading the Geochemical Fingerprints of Archean Hot Subduction Volcanic Rocks: Evidence for Accretion and Crustal Recycling in a Mobile Tectonic RegimeA. Polat and R. Kerrich 189
Late-Archean Convergent Margin Volcanism in the Superior Province: A Comparison of the Blake River Group and Confederation AssemblageD. A. Wyman and P. Hoilings 215
Orogenies
High-Pressure Intermediate-Temperature Metamorphism in the Southern Barberton Granitoid-Greenstone Terrain, South Africa: A Consequence of Subduction-Driven Overthickening and Collapse of Mid-Archean Continental CrustJohann Diener, Gary Stevens, and Alex Kisters 239
Reflections of the Neoarchean: A Global PerspectiveArie J. van der Velden, Frederick A. Cook, Barry J. Drummond, and Bruce R. Goleby 255
Tectonic Delamination of the Lower Crust During Late Archean Collision of the Abitibi-Opatica and Pontiac Terranes, Superior Province, CanadaKeith Benn 267
Biogeochemical Environments and Life
The Early Record of LifeFrances Westall and Gordon Southam 283
Biogeochemical Cycles of Sulfur and Nitrogen in the Archean Ocean and AtmosphereYanan Shen, Daniele L. Pinti, and Ko Hashizume 305