Distribution of types of margins

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Table of contents

Chapter I: Introduction
1. Extensional systems in the Wilson cycle
2 Rifted margins
2.1 Concepts and models
2.2 Types of rifted margins
2.3 Distribution of types of margins
2.4 Rifted margins: ongoing research and open questions
3 The SCS: a natural laboratory to study rifting and breakup processes
3.1 Geographical setting
3.2. Geological setting and tectonic evolution
4. The study area
5. Open questions and aim of the thesis
5.1 The syn-rift mega-sequence and its link to the tectono-magmatic evolution in a polyphase rift system: how to define, describe and interpret?
5.2 From crustal separation to onset of seafloor spreading: how to define breakup?
5.3 Crustal breakup: how does it propagate?
5.4 The SCS: similarities and differences to Atlantic-type margins
6. Data, approaches and methods
6.1 Data set used in the PhD
6.2 Method and used approach
References
Chapter II: The tectono-stratigraphic and magmatic evolution of conjugate rifted margins: insights from the NW South China Sea
Abstract
1. Introduction
2. Geological setting
2.1. Geological evolution of the SCS
2.2. Structure of the NW-SCS
3. Data, methods and terminology
3.1. Data used and acquisition parameters
3.2. Method
3.3. Terminology
4. Seismic interpretation
4.1. Main interfaces
4.2. First order crustal structure and rift domains
4.3. Intra-sediment reflections and stratigraphic units
4.4. Intra-basement reflections and fault structures
4.5. Magmatic additions
5. Kinematic restoration of section CGN-1: methodological approach
6. Discussion
6.1. Rift architecture, H block and upper- vs. lower plate
6.2. Kinematic restoration of section CGN-1: tectono-structural evolution
6.3. Time frame for rifting and related syn-rift tracts and magmatic units
6.4. Strain rates
6.5. The stratigraphic tape recorder of rifting: the Wheeler approach
6.6. Strain localization during rifting and individualisation and dismembering of the H-block
7. Conclusion
Acknowledgments
References
Chapter III: The transition from continental to lithospheric breakup recorded in proto-oceanic crust: Insights from the NW South China Sea
Abstract
1. Introduction
2. Geological setting
3. Data, methods, and terminology
3.1 Data used and acquisition parameters
3.2 Methods
3.3 Terminology
4. Seismic interpretation of the OCT
4.1. Seismic observations and location of the OCT
4.2. Sediment architecture in the OCT
4.3. Nature of basement in the OCT
4.4. Faults in the OCT
5. Discussion
5.1. Major characteristics of OCT and definition of proto-oceanic crust
5.2. The syn-breakup sedimentary record
5.3. From continental to lithospheric breakup: the link between faults, sediments and magma
6. Conclusion
References
Chapter IV: A 3D snapshot of crustal breakup deduced from seismic analysis of the tip of the NW South China Sea
Abstract
1. Introduction
2. Geological setting
3. Data, methods and terminology
3.1 Data used and acquisition parameters
3.2 Methods
3.3 Terminology and definitions used in this study
4. Reflection seismic lines: from observations to seismic interpretations
4.1. First-order seismic interfaces and rift domain boundaries
4.2. Sedimentary sequences
5. Mapping rift domains at the tip of the NW SCS
5.1. Mapping rift domains based on reflection seismic data
5.2. Nature of crust at the tip of the propagator: constraints from refraction seismic data
5.3. Comparison with existing OCB maps and potential field data
5.4. Distribution of sedimentary sequences at the tip of the NW SCS
6. Discussion
6.1. 3D crustal architecture at the tip of the NW SCS
6.2. Tectono-magmatic evolution during breakup at the tip of the SW SCS
6.3. Propagating vs retrograding: a new kinematic model for the NW SCS
7. Conclusion
References
Chapter V: Discussion
1. The syn-rift mega-sequence and its link to the tectono-magmatic evolution in a polyphase rift system: how to define, describe and interpret?
2. From crustal separation to onset of seafloor spreading: how to define breakup?
3. Crustal breakup: how does it propagate?
References
Chapter VI: Conclusion
Chapter VII: Outlook
1. Time space correlations, unconformities and tectono-stratigraphic concepts
2. Evidence for a ridge jump in the NW SCS?
3. Sedimentation rates vs magmatic budget during rifting: towards a new classification
4. Lower crustal flow during crust necking
5. Extensional tectonic and crustal accretion at oceanic transform faults
6. From foreland basins to rifted margins: an example from the NE SCS
References