Acknowledgments Preface Proterozoic tectonic evolution of the Grenville orogen in North America: An introduction, Richard P. Tollo, Louise Coniveau, James McLelland, and Mervin J. Bartholomew Canadian Grenville Province1. Cordierite-orthopyroxene white gneiss: A key to unveiling premetamorphic hydrothermal activity in the Bondy gneiss complex, Grenville Province, Qu?bec, Olivier Blein, Louise Corriveau, and Marc R.-LaFl?che 2. Granulite-facies P-T-t paths and the influence of retrograde cation diffusion during polyphase orogenesis, western Grenville Province, Qu?bec, Katherine J.E. Boggs and Louise Corriveau 3. Mesoproterozoic basement of the Lac St. Jean Anorthosite Suite and younger Grenvillian intrusions in the Saguenay region, Qu?bec: Structural relationships and U-Pb geochronology, Claude Hdben and Otto van Breemen 4. Low-variance sapphirine-bearing assemblages from Wilson Lake, Grenville Province of Labrador Fawna, J. Korhonen and James H. Stout 5. High-pressure granulites in the Grenvillian Grand Lake thrust system, Labrador: Pressure-temperature conditions and tectonic evolution, Jason B. Krauss and Toby Rivers 6. Neoproterozoic juvenile crust development in the peri-Rodinian ocean: Implications for Grenvillian orogenesis, J.Brendan Murphy, Jaroslav Dostal, R. Damian Nance, and J. Duncan Keppie 7. A Ni-Cu-Co-PGE massive sulfide prospect in a gabbronorite dike at Lac Volant, eastern Grenville Province, Qu?bec, Hassan Nabil, Thomas Clark, and Sarah-Jane Bames 8. Oxygen-isotope constraints on terrane boundaries and origin of 1.18~V1.13 Ga granitoids in the southern Grenville Province, William H. Peck, John W. Valley, Louise Corriveau, Anthony Davidson, James McLelland, and David A. Farber 9. L-S shape fabrics in the Mazinaw domain and the issue of northwest-directed thrusting in the Composite Arc Belt, southeastern Ontario, Walfried M. Schwerdtner, Matthew W. Downey, and Sharyn A. Alexander 10. Early Mesoproterozoic tectonic history of the southwestern Grenville Province, Ontario: Constraints from geochemistry and geochronology of high-grade gneisses, Trond Slagstad, Nicholas G. Culshaw, Rebecca A. Jan-deson, and John W.F. Ketchum 11. SHRIMP U-Pb zircon geochronology of the Bondy gneiss complex: Evidence for circa 1.39 Ga arc magmatism and polyphase Grenvillian metamorphism in the Central Metasedimentary Belt, Grenville Province, Qu?bec, Natasha Wodicka, Louise Corriveau, and Richard A. Steam Adirondack Massif 12. Unraveling growth history of zircon in anatectites from the northeast Adirondack Highlands, New York: Constraints on pressure-temperature-time paths, J.Alcock, Clark Isachsen, Kenneth Livi, and Peter Muller 13. Deformation of the Diana syenite and Carthage-Colton mylonite zone: Implications for timing of Adirondack Lowlands deformation, Graham B. Baird and William D. MacDonald 14. Slow cooling and apparent tilting of the Adirondack Lowlands, Grenville Province, New York, based on 40Ar/39Ar ages, Peter S. Dahl, Mark E. Pomfrey, and Kenneth A. Foland 15. Petrogenesis of prismatine-bearing metapelitic gneisses along the Moose River, west-central Adirondacks, New York, Robert S. Darling, Frank P Florence, Gregory W. Lester, and Philip R. Whitney 16. SHRIMP U-Pb zircon geochronology of the anorthosite-mangerite-charnockite-granite suite, Adirondack Mountains, New York: Ages of emplacement and metamorphism, Michael A. Hamilton, James McLelland, and Bruce Selleck 17. Right lateral oblique slip movements followed by post-Ottawan (1050~V1020 Ma) orogenic collapse along the Carthage-Colton shear zone: Data from the Dana Hill metagabbro body, Adirondack Mountains, New York, Eric L. Johnson, Eric T. Goergen, and Benjamin L. Fruchey 18. Magmatic-hydrothermal leaching and origin of late to post-tectonic quartz-rich rocks, Adirondack Highlands, New York, Bruce Selleck, James McLelland, and Michael A. Haniilton 19. Exhumation of a collisional orogen: A perspective from the North American Grenville Province, Margaret M. Streepey, Carolina Lithgow-Bertelloni, Ben A. van der Pluijm, Eric J. Essene, and Jerry F. Magloughlin Appalachian Inliers 20. Deciphering multiple Mesoproterozoic and Paleozoic events recorded in zircon and titanite from the Baltimore Gneiss, Maryland: SEM imaging, SHRIMP U-Pb geochronology, and EMP analysis, John N. Aleinikoff, J. Wright Horton Jr., Avery A. Drake Jr., Robert R Wintsch, C. Mark Fanning, and Keewook Yi 21. Geochemical stratigraphy and petrogenesis of the Catoctin volcanic province, central Appalachians, Robert L. Badger and A. Krishna Sinha 22. Detrital zircon ages and Nd isotopic data from the southern Appalachian crystalline core, Georgia, South Carolina, North Carolina, and Tennessee: New provenance constraints for part of the Laurentian margin, Brendan R. Bream, Robert D. Hatcher Jr., Calvin F. Miller, and Paul D. Fullagar 23. Tectonic evolution of the northern Blue Ridge massif, Virginia and Maryland, William C. Burton and Scott Southworth 24. Mesoproterozoic and Paleoproterozoic crustal growth in the eastern Grenville Province: Nd isotope evidence from the Long Range inlier of the Appalachian orogen, Alan P. Dickin 25. Geochemistry of the Late Mesoproterozoic Mount Eve granite suite: Implications for Late to post-Ottawan tectonics in the New Jersey~VHudson Highlands, Matthew L. Gorring, Todd C. Estelle, and Richard A. Volkert 26. Paleozoic structure of internal basement massifs, southern Appalachian Blue Ridge, incorporating new geochronologic, Nd and Sr isotopic, and geochemical data, Robert D. Hatcher Jr., Brendan R. Bream, Calvin F Miller, James 0. Eckert Jr., Paul D. Fullagar, and Charles W. Carrigan 27. Geology and geochemistry of granitic and charnockitic rocks in the central Lovingston massif of the Grenvillian Blue Ridge terrane, Scott S. Hughes, Sharon E. Lewis, Mervin J. Bartholomew, A. Krishna Sinha, and Norman Herz 28. Compositional zoning of a Neoproterozoic ash-flow sheet of the Mount Rogers Formation, southwestern Virginia Blue Ridge, and the aborted rifting of Laurentia, Steven W. Novak and Douglas W. Rankin 29. Nd isotopic constraints on the magmatic history of the Goochland terrane, easternmost Grenvillian crust in the southern Appalachians, Brent E. Owens and Scott D. Samson 30. U-Pb geochronology and geochemistry of a portion of the Mars Hill terrane, North Carolina~VTennessee: Constraints on origin, history, and tectonic assembly, Steven E. Ownby, Calvin F. Miller, Peter J. Berquist, Charles W. Carrigan, Joseph L. Wooden, and Paul D. Fullagar 31. Pre-Appalachian tectonic evolution of the Pine Mountain window in the southernmost Appalachians, Alabama and Georgia, Mark G. Steltenpohl, Ann Heatherington, Paul Mueller, and Joseph L. Wooden 32. Petrologic and geochronologic evolution of the Grenville orogen, northern Blue Ridge Province, Virginia, Richard P. Tollo, John N. Aleinikoff, Elizabeth A. Borduas, Paul C. Hackley, and C. Mark Fanning 33. Deciphering the Grenville of the southern Appalachians through evaluation of the post-Grenville tectonic history in northwestern North Carolina, Charles H. Trupe, Kevin G. Stewart, Mark G. Adams, and John P. Foudy 34. Mesoproterozoic rocks of the New Jersey Highlands, north-central Appalachians: Petrogenesis and tectonic history, Richard A. Volken 35. U-Pb geochronology and evolution of Mesoproterozoic basement rocks, western Connecticut, Gregory J. Walsh, John N. Aleinikoff, and C. Mark Fanning Texas and Mexico 36. U-Pb geochronology and Pb isotopic compositions of leached feldspars: Constraints on the origin and evolution of Grenville rocks from eastern and southern Mexico, Kenneth L. Cameron, Robert Lopez, Fernando Ortega-Guti6rrez, Luigi A. Solari, J. Duncan Keppie, and Carlos Schulze 37. U-Pb and 40Ar/39Ar constraints on the cooling history of the northern Oaxacan Complex, southern Mexico: Tectonic implications, J. Duncan Keppie, Luigi A. Solari, Fernando Ortega-Guti?rrez, Amabel Ortega-Rivera, James K.W. Lee, Robert Lopez, and Willis E. Hames 38. Tectonic evolution of the eastern Llano uplift, central Texas: A record of Grenville orogenesis along the southern Laurentian margin, Sharon Mosher, April M. Hoh, Jostin A. Zumbro, and Joseph F. Reese Index