Mantle Dynamics and Plate Interactions in East Asia

Title Page......Page 2
Copyright
......Page 3
Contents......Page 4
Preface......Page 6
1. Evidence for Arc Consumption and Amount of Tectonically Eroded Upper Plate Material
......Page 8
2. The Fate of Material Removed by Arc Consumption
......Page 10
3. Possible Interaction Between Mantle Dynamics and High Rates of Arc Consumption
......Page 11
4. And What if the Arcs Would Regenerate?
......Page 12
References......Page 14
Three-Dimensiona U pper Mantle Structure beneath East Asia and 
its Tectonic Implications......Page 17
1. Introduction......Page 30
2. Observed Differential Travel-time Residuals......Page 33
3. Results of Numerical Simulation
......Page 34
4. Discussion and Conclusions
......Page 46
References......Page 49
1. Introduction......Page 51
3. The Emeishan Basalt......Page 52
4. Contemporaneous Volcanics in Adjacent Regions
......Page 54
6. Magma Chemistry and Thermotectonic Implications
......Page 55
7. The Permian-Triassic Boundary Events
......Page 57
References......Page 59
1. Introduction......Page 63
3. Formation of Mantle Plumes
......Page 64
4. Structure of Mantle Plumes
......Page 66
6. Volcanism as a 'Rivet Effect' for Fixing Lithosphere
......Page 67
8. Discussion: Asthenosphere-Lithosphere Interaction Beneath Eastern Asia
......Page 68
References......Page 69
1. Introduction......Page 70
2. East Asian- Wpac Kinematics......Page 73
3. East Tethyan 'Dispersed' Volcanism
......Page 75
4. Petrogenetic Models......Page 76
5. Thermal Structure and Composition of Asian- WPAC Asthenosphere
......Page 80
6. Collision-Induced Mantle Extrusion
......Page 85
References......Page 86
Introduction......Page 92
Intraplate Volcanism in Asia: Background
......Page 94
Models for the Origin of Intraplate Volcanism in Asia
......Page 95
Compatibility of Models
......Page 98
Evolution of the Continental Mantle Under Asia
......Page 101
Conclusion......Page 102
References......Page 104
1. Introduction......Page 109
2. Geological and Geophysical Setting
......Page 110
3. Lithosphere Mapping: Methodology......Page 112
4. Results......Page 117
5. Discussion......Page 121
References......Page 126
1. Introduction......Page 129
2. Geological Setting......Page 130
3. Analytical Methods and Results
......Page 132
4. P-T Estimates
......Page 139
5. Discussion......Page 149
References......Page 152
Tectonic History......Page 156
Precambrian......Page 157
Palaeozoic......Page 160
Mesozoic......Page 161
Cenozoic......Page 162
Present-Day
......Page 163
References......Page 164
1. Introduction......Page 167
2. Geology and Sample Petrography
......Page 168
3. Cenozoic Geotherm Constrained by Garnet-Bearing Xenoliths
......Page 172
4. Discussion: The Stratigraphy Of The Lithosphere At Nushan
......Page 191
5. Conclusions......Page 192
References......Page 193
Introduction......Page 196
Geological Setting and Volcanology
......Page 197
Nature of Inferred SCLM
......Page 199
Nature of Observed SCLM
......Page 205
Discussion......Page 211
Reference......Page 214
1. Introduction......Page 219
2. Proterozoic: Possible Positions of the East Asian Blocks During the Formation And Breakup of the Supercontinent Rodinia
......Page 220
3. Early to Mid-Paleozoic: Gondwanaland Connections, and the "Caledonian" Orogeny 
......Page 225
5. Permian to Mid-Mesozoic: Plate Accretions to form Part of Eurasia
......Page 228
6. Cenozoic: Escape Tectonics and the Development of Extensional Basins
......Page 236
7. Summary......Page 237
References......Page 238
2. Reconstruction Concepts......Page 242
3. Eurasian Margin Accretionary Complexes and Age Data
......Page 244
4. Transform Duplexing and Reconstruction
......Page 250
References......Page 253
1. Introduction......Page 255
2. UHP Rocks and the Dabie Orogenic Belt
......Page 256
3. Pressure Gaps in Peak Metamorphism
......Page 257
5. Deformation Sequence of the UHP Rocks
......Page 259
6. Discussion and Conclusions
......Page 260
References......Page 262
Introduction......Page 264
Sutures......Page 265
Terranes......Page 272
Discussion on Tethys Tectonics
......Page 275
References......Page 279
1. Introduction......Page 283
2. Geological Setting......Page 284
4. Paleomagnetic & Rock Magnetic Results......Page 286
5. Tectonic Implications......Page 289
References......Page 291
1. Introduction......Page 294
3. Insights from Experimental Modeling
......Page 296
6. River System and Quaternary Terrace Geology
......Page 298
7. Present-Day Motions
......Page 300
8. Neotectonics of the Taiwan Mountain Belt
......Page 302
References......Page 306
1. Introduction......Page 309
3. Dating Results......Page 310
4. Discussions......Page 313
References......Page 321
2. Diachroneity of Ridge Subduction
......Page 323
3. Diachronous Orogenic Events......Page 324
4. Orogenic Shortening......Page 326
References......Page 327
Introduction......Page 329
Data......Page 331
Method......Page 333
Results......Page 334
References......Page 336
1. Introduction......Page 339
3. Composition of the Mongolian Lithosphere
......Page 340
4. Cenozoic Basalts in Mongolia
......Page 342
5. Relationship Between Volcanism in Mongolia and Eastern China 
......Page 348
6. Discussion......Page 351
7. Conclusions......Page 352
References......Page 353
1. Introduction......Page 357
2. Geologic Background and Sampling
......Page 359
3. Geochemical Characteristics of Philippine Sea Plate OIB
......Page 360
4. Comparison with Incompatible Element Enriched Basalts from Eastern Asia
......Page 363
5. Discussion......Page 367
6. Summary and Conclusions
......Page 373
References......Page 374
1. Introduction......Page 377
2. Geologic Setting......Page 378
3. Petrography and Mineralogy
......Page 379
4. Geochemistry......Page 380
5. Isotopes......Page 381
6. Discussion......Page 384
7. Conclusions......Page 392
References......Page 393
1. Introduction......Page 396
2. General Geological Setting......Page 397
3. Analytical Methods......Page 398
4. Geochronology......Page 399
5. Geochemistry of the Mafic Dikes
......Page 400
6. Discussion......Page 403
7. Conclusions......Page 408
References......Page 409