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Table of Contents - Special Paper 388

Plates, Plumes, and Paradigms

Edited by Gillian R. Foulger, James H. Natland, Dean C. Presnall, Don L. Anderson

Preface
Scope of the Volume, the Review Process, and Acknowledgments
The Global Picture
1.	Global tectonic maps David Sandwell, Don L. Anderson, and Paul Wessel	1
2.	Global seismic structure maps Jeroen Ritsema	11
3.	Global hotspot maps Don L. Anderson and Kimberly A. Schramm	19
4.	Scoring hotspots: The plume and plate paradigms Don L. Anderson	31
5.	Evaluation of radiometric ages pertaining to rocks hypothesized to have been derived by hotspot activity, in and around the Atlantic, Indian, and Pacific Oceans Ajoy K. Baksi	55
6.	Ages of seamounts, islands, and plateaus on the Pacific plate Valérie Clouard and Alain Bonneville	71
History of the Plume and Plate Hypotheses
7.	The origins and early trajectory of the mantle plume quasi-paradigm William Glen	91
8.	A brief history of the plume hypothesis and its competitors: Concept and controversy Don L. Anderson and James H. Natland	119
Seismology
9.	The robust aspects of global seismic tomography Adam M. Dziewonski	147
10.	What can seismology say about hotspots? Bruce R. Julian	155
11.	Shear wave splitting around hotspots: Evidence for upwelling-related mantle flow? Kristoffer T. Walker, Götz H.R. Bokelmann, Simon L. Klemperer, and Andrew Nyblade	171
12.	The deep mantle thermo-chemical boundary layer: The putative mantle plume source Thorne Lay	193
Heat and Temperature
13.	Carbonate-rich melts in the oceanic low-velocity zone and deep mantle Dean C. Presnall and Gudmundur H. Gudfinnsson	207
14.	Primary magmas at mid-ocean ridges, "hotspots," and other intraplate settings: Constraints on mantle potential temperature David H. Green and Trevor J. Falloon	217
15.	Komatiites in the plume debate Stephen W. Parman and Timothy L. Grove	249
16.	Hotspots: A view from the swells John E. DeLaughter, Carol A. Stein, and Seth Stein	257
17.	Sedimentary evidence for moderate mantle temperature anomalies associated with hotspot volcanism Peter D. Clift	279
18.	Heatflow and mantle convection in the triaxial Earth Anne M. Hofmeister and Robert E. Criss	289
Ocean Island Basalt Geochemistry
19.	The streaky-mantle alternative to mantle plumes and its bearing on bulk-Earth geochemical evolution Alan D. Smith	303
20.	Mass flux across the lower–upper mantle boundary: Vigorous, absent, or limited? Alexei V. Ivanov and Sergei O. Balyshev	327
21.	Models for noble gases in mantle geochemistry: Some observations and alternatives Anders Meibom, Norman H. Sleep, Kevin Zahnle, and Don L. Anderson	347
Continental Melting Anomalies
22.	Repeated, synchronous magmatism within Africa: Timing, magnetic reversals, and global tectonics D. Ken Bailey and Alan R. Woolley	365
23.	The Hoggar swell and volcanism: Reactivation of the Precambrian Tuareg shield during Alpine convergence and West African Cenozoic volcanism Jean-Paul Liégeois, Amel Benhallou, Abla Azzouni-Sekkal, Rachid Yahiaoui, and Bernard Bonin	379
24.	Giant dikes, rifts, flood basalts, and plate tectonics: A contention of mantle models J. Gregory McHone, Don L. Anderson, Erin K. Beutel, and Yuri A. Fialko	401
25.	Compositional variations of Plio-Quaternary magmatism in the circum-Tyrrhenian area: Deep versus shallow mantle processes Angelo Peccerillo and Michele Lustrino	421
26.	No plume, no rift magmatism in the West Antarctic Rift Sergio Rocchi, Pietro Armienti, and Gianfranco Di Vincenzo	435
27.	Continental magmatism caused by lithospheric delamination Linda T. Elkins-Tanton	449
28.	Malani magmatism: An extensional lithospheric tectonic origin Kamal K. Sharma	463
29.	From Deccan to Réunion: No trace of a mantle plume Hetu C. Sheth	477
30.	Age-progressive volcanism of the Oregon High Lava Plains: Overview and evaluation of tectonic models Brennan T. Jordan	503
31.	Thermal models, magma transport, and velocity anomaly estimation beneath southern Kamchatka Vlad Constantin Manea, Marina Manea, Vladimir Kostoglodov, and Granville Sewell	517
Oceanic Melting Anomalies
32.	Plate tectonic processes in the South Atlantic Ocean: Do we need deep mantle plumes? J. Derek Fairhead and Marjorie Wilson	537
33.	Paired basement ridges: Spreading axis migration across mantle heterogeneities? Peter R. Vogt and Woo-Yeol Jung	555
34.	Stress-induced seamount formation at ridge-transform intersections Erin K. Beutel	581
35.	Genesis of the Iceland melt anomaly by plate tectonic processes Gillian R. Foulger, James H. Natland, and Don L. Anderson	595
36.	Fixity of the Iceland "hotspot" on the Mid-Atlantic Ridge: Observational evidence, mechanisms, and implications for Atlantic volcanic margins Erik R. Lundin and Anthony G. Doré	627
37.	North Atlantic topographic and geoid anomalies: The result of a narrow ocean basin and cratonic roots? Scott D. King	653
38.	Crustal formation and magma genesis beneath Iceland: Magnetotelluric constraints Axel Björnsson, Hjalmar Eysteinsson, and Martin Beblo	665
39.	Fissure control on volcanic action in the Pacific James H. Natland and Edward L. Winterer	687
40.	Modeling impact volcanism as a possible origin for the Ontong Java Plateau Adrian P. Jones, Kai Wünemann, and G. David Price	711
41.	What built Shatsky Rise, a mantle plume or ridge tectonics? William W. Sager	721
42.	On the shallow origin of hotspots and the westward drift of the lithosphere Carlo Doglioni, David H. Green, and F. Mongelli	735
43.	An undeformed ophiolite in the Alps: Field and geochemical evidence for a link between volcanism and shallow plate tectonic processes Françoise Chalot-Prat	751
Planetary Volcanism
44.	Plumeless Venus preserves an ancient impact-accretionary surface Warren B. Hamilton	781
45.	Venusian craters, size distribution, and the origin of coronae Claudio Vita-Finzi, Richard J. Howarth, Simon W. Tapper, and Cordula A. Robinson	815
46.	Impact craters as indicators of tectonic and volcanic activity in the Beta-Atla-Themis region, Venus Audeliz Matias and Donna M. Jurdy	825
47.	Large topographic rises, coronae, large flow fields, and large volcanoes on Venus: Evidence for mantle plumes? Ellen R. Stofan and Suzanne E. Smrekar	841
Index		863