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Table of Contents - Memoir 191

The Nature of Magmatism in the Appalachian Orogen

Preface v
Acknowledgments vii
1. The Northeast Kingdom batholith, Vermont: Geochronology and Nd, O, Pb, and Sr isotopic constraints on the origin of Acadian granitic rocks
Joseph G. Arth and Robert A. Ayuso
1
2. The Spruce Head composite pluton: An example of mafic to silicic Salinian magmatism in coastal Maine, northern Appalachians
Robert A. Ayuso and Joseph G. Arth
19
3. Late Precambrian plutons in the Avalon terrane of New Brunswick, Nova Scotia, and Newfoundland
Sandra M. Barr and Andrew Kerr
45
4. Geochemistry and petrogenesis of tonalite dikes in the Smith River allochthon, south-central Virginia
James S. Beard
75
5. Fractionation and contamination of Maquereau Group lavas, southern Gaspé, Québec Appalachians
Jean H. Bédard and Caroline Wilson
87
6. Late Devonian mafic-felsic magmatism in the Meguma Zone, Nova Scotia
D. Barrie Clarke, Michael A. MacDonald, and Marcus C. Tate
107
7. Rift and ocean floor volcanism from the Late Proterozoic and early Paleozoic of the Vermont Appalachians
R. A. Coish
129
8. Igneous petrogenesis and tectonic setting of granitic rocks from the eastern Blue Ridge and Inner Piedmont Alabama Appalachians
Mark S. Drummond, Michael J. Neilson, David T. Allison, and James R Tull
147
9. ND and SR isotopic characterization of crystalline rocks from the southern Appalachian Piedmont and Blue Ridge, North and South Carolina
Paul D. Fullagar, Steven A. Goldberg, and J. Robert Butler
165
10. Age and origin of the Austell Gneiss, western Georgia Piedmont-Blue Ridge, and its bearing on the ages of orogenic events in the southern Appalachians
Michael W. Higgins, Joseph G. Arth, Joseph L. Wooden, Thomas J. Crawford, Thomas W. Stem, and Ralph F. Crawford
181
11. Space-time composition relationships among Appalachian-cycle plutonic suites in Newfoundland
Andrew Kerr
193
12. Concord plutonic suite: Pre-Acadian gabbro-syenite intrusions in the southern Appalachians
Harry Y McSween, Jr., and Ralph P. Harvey
221
13. Low-potassium, trondhjemitic to granodioritic plutonism in the eastern Blue Ridge, southwestern North Carolina-northeastern Georgia
C.F. Miller, Paul D. Fullagar, T. W. Sando, S. A. Kish, G. C. Solomon, G. S. Russell, and L. F. Wood Steltenpohl
235
14. Tectonic influence on Late Proterozoic Avalonian magmatism: An example from the Greendale complex, Antigonish Highlands, Nova Scotia, Canada
J. Brendan Murphy, Andrew J. Hynes, and Brian Cousens
255
15. Igneous and metamorphic U-Pb zircon ages from the Baltimore mafic complex, Maryland Piedmont
A. Krishna Sinha, Barry B. Hanan, and David M. Wayne
275
16. Elemental composition of the Alleghanian granitoid plutons of the southern Appalachians
J. Alexander Speer and Kevin Hoff
287
17. Chemical variation in plutonic rocks caused by residual melt migration: Implications for granite petrogenesis
LeeAnn Srogi and Timothy M. Lutz
309
18. Magmatic and tectonic evolution of the Cambrian-Ordovician Laurentian margin of Iapetus: Geochemical and isotopic constraints from the Notre Dame subzone, Newfoundland
H. Scott Swinden, G. A. Jenner, and Z. A. Szybinski
337
19. Implications of granitoid geochemical and isotopic (ND, 0, Pb) data from the Cambrian-Ordovician Notre Dame arc for the evolution of the Central Mobile belt, Newfoundland Appalachians
Joseph B. Whalen, George A. Jenner, Frederick J. Longstaffe, Clément Gariépy, and Brian J. Fryer
367
20. The Cadillac Mountain intrusive complex, Maine: The role of shallow-level magma chamber processes in the generation of A-type granites
Robert A. Wiebe, Jonathan B. Holden, Michelle L. Coombs, Reinhard A. Wobus, Kathleen J. Schuh, and Benjamin P. Plummer
397
Index 419