Dynamics of Passive Margins

Title Page......Page 3
Copyright......Page 4
Contents......Page 5
Foreword......Page 6
Preface......Page 8
Observations at Passive Margins......Page 10
The Rifting Stage......Page 13
Conclusions......Page 14
References......Page 15
The Arctic......Page 17
References......Page 20
Physiography and Geophysical Character......Page 21
References......Page 31
Introduction......Page 34
Observations off Norway reflecting on the early history of the margin......Page 36
Results from exploratory surveys off western Barents Sea, Svalbard and East-Greenland......Page 40
References......Page 46
Introduction......Page 49
Plate Motions and Margin Formation......Page 50
The Nature of the Ocean-Continent Transition......Page 52
The Early History of the Margin......Page 56
References......Page 59
Regional Distribution of Sediment Basins......Page 63
Basin Stratigraphy and Geometry......Page 64
Temporal Continental Basement Subsidence......Page 69
Some General Observations and Conclusions......Page 72
References......Page 74
Introduction......Page 76
Comparative Structure of Australia and East Africa......Page 78
Actualistic Model of a Rift Valley System and its Succeeding Rifted Continental Margin......Page 80
Western Margin......Page 83
Southern Margin......Page 85
Eastern Margin......Page 87
Discussion......Page 89
References......Page 90
Introduction......Page 94
Continental Margin of Western India......Page 108
Discussion......Page 113
References......Page 115
Distribution of Atlantic Evaporites......Page 119
References......Page 130
Crustal Structure......Page 136
Development of Sheared Margins......Page 141
References......Page 142
Rheology of the Lithosphere......Page 144
Locally Generated Stresses......Page 145
Volcanism and the State of Stress at Passive Continental Margins......Page 147
References......Page 148
Critical Evidence from the North Biscay Margin......Page 150
Stress-Based Mechanisms During Drifting Stage
......Page 151
Stress Based Mechanisms During the Rifting Phase
......Page 152
Conclusions......Page 154
References......Page 155
Introduction......Page 157
Current Topics......Page 158
References......Page 160
Introduction......Page 162
The Analytical Model......Page 163
Discussion of the Analytical Model......Page 164
Finite Difference Models......Page 165
Discussion of the Finite Difference Model......Page 167
References......Page 168
1. Transition of Metastable Basalt to a Stable Phase a Geodynamic Driving Force
......Page 169
2. Dynamics of Passive Margin Evolution......Page 178
References......Page 185
Structure......Page 187
Sediments......Page 189
Thermal and Mechanical Models......Page 193
Summary......Page 196
The Data......Page 200
The Dilemma......Page 201
A Possible Alternative......Page 202
References......Page 203