Continental Rifted Margins 2
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Introduction ix
Gwenn PERON-PINVIDIC
Chapter 1. The West Iberian Margin: Past and Current Research Concepts and Future Challenges 1
Gaël LYMER and Tim J. RESTON
1.1. Introduction: the West Iberian Margin, the "classic" magma-poor margin? 2
1.2. Structures of the West Iberian Margin 6
1.3. Synrift tectono-stratigraphy and age and evolution of extension across the West Iberian Margin 13
1.4. Current models of development of the West Iberian Margin 18
1.5. Remaining questions at the West Iberian Margin and other magma-poor margins 21
1.6. Conclusions and outlook 25
1.7. References 26
Chapter 2. Tectonic Evolution of the Mid-Norwegian Rifted Margin 35
Per Terje OSMUNDSEN and Gwenn PERON-PINVIDIC
2.1. Introduction 36
2.2. Large-scale structure 39
2.3. Syn-rift basin configuration and evolution 51
2.4. Breakup 57
2.5. Post-rift evolution 58
2.6. Future challenges 59
2.7. Acknowledgments 60
2.8. References 60
Chapter 3. South and Equatorial Atlantic Margins 69
Daniel ASLANIAN and Maryline MOULIN
3.1. Introduction 69
3.2. Geodynamics and understanding passive margins genesis 76
3.3. Crustal structures in the South Atlantic and equatorial margins 79
3.4. Conclusion 84
3.5. References 87
Chapter 4. The Continental Margins of the Gulf of Aden 93
Sylvie LEROY and Chloé NONN
4.1. Introduction 93
4.2. Geological and geodynamic context and heritage 94
4.3. Continental rifting timing, initiation and depositional environments 96
4.4. Structure of the conjugate margins 98
4.5. Ocean-continent transition (OCT) and the birth of an oceanic ridge 102
4.6. Opening of the Gulf of Aden 103
4.7. References 104
Chapter 5. The South China Sea -- Rifting and the Evolution of a Marginal Basin 107
Manuel PUBELLIER, Sung-Ping CHANG and Matthias DELESCLUSE
5.1. Introduction 108
5.2. Geodynamic setting and particularities 109
5.3. Propagators and implications on the rifting and the timing of breakup 113
5.4. A wide rift with boudinage crust resulting from contrasted crustal rheologies 116
5.5. Impact of the subduction and collision of the neighboring basin 118
5.6. Post rifting evolution; uplift of margins and delayed subsidence of the basin 121
5.7. Conclusion 122
5.8. Acknowledgments 123
5.9. References 124
Chapter 6. Arctic Continental Margins 133
Carmen GAINA
6.1. Introduction 133
6.2. Passive continental margins in the Arctic 134
6.3. Discussion and concluding remarks 141
6.4. References 145
Chapter 7. Alpine Tethys Margins 149
Gianreto MANATSCHAL and Pauline CHENIN
7.1. Background and historical overview 149
7.2. From dispersed outcrops to the 2D architecture of the Alpine Tethys rift system 157
7.3. Evolution of the Alpine Tethys rift system 165
7.4. Continuous deformation vs. succession of distinct deformation phases 168
7.5. Three-dimensional aspect of the Alpine Tethys rift system 169
7.6. The Alpine Tethys remnants in the Alps: a laboratory to investigate and calibrate rift systems 171
7.7. References 173
Chapter 8. A Fossil Magma-rich Rifted Margin in the Scandinavian Caledonides 185
Johannes JAKOB, Hans Jørgen KJØLL and Torgeir Bjørge ANDERSEN
8.1. Introduction 186
8.2. Opening of the Iapetus Ocean and formation of the Central Iapetus Magmatic Province 187
8.3. Discussion 193
8.4. Conclusion 194
8.5. Acknowledgments 195
8.6. References 195
Chapter 9. Cretaceous Rifting at the Pyrenean Iberia--Eurasia Border: Crustal Thinning under a Pre-rift Cover -- Application to Passive Margins 203
Yves LAGABRIELLE
9.1. The North Pyrenean area within the Pyrenees 203
9.2. Mechanisms of crustal thinning deduced from the study of the NPZ 206
9.3. Crustal thinning at the Iberian--Eurasian plate boundary: smooth-slope basins and the legacy of Triassic paleogeography 209
9.4. Conclusion: from the Pyrenean basins to the formation mechanisms of passive continental margins 219
9.5. Acknowledgments 222
9.6. References 222
List of Authors 235
Index 237
Summary of Volume 1 239
