New Frontiers in Integrated Solid Earth Sciences

New Frontiers in Integrated Solid Earth Sciences

von: S.A.P.L. Cloetingh, Jorg Negendank

Springer-Verlag, 2009

ISBN: 9789048127375 , 414 Seiten

Format: PDF

Kopierschutz: Wasserzeichen

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New Frontiers in Integrated Solid Earth Sciences


 

Foreword

5

Preface

8

Introduction

10

Contents

11

Contributors

13

New Frontiers in Integrated Solid Earth Sciences

16

Perpectives on Integrated Solid Earth Sciences

17

Introduction

5

Mass Transfer

18

Continental Topography: Interplay of Deep Earth and Surface Processes

18

Geoprediction: Observation, Reconstruction and Process Modelling

19

Observing the Present

19

Reconstructing the Past

19

Lithosphere Deformation Behaviour

20

Process Modelling and Validation

20

Challenges and New Developments

20

Integrated Approach to Selected Natural Laboratories and Analogues

21

Coupled Deep Earth and Surface Processes

21

Coupled Process Modelling and Validation

21

ILP Activities Within the International Year of Planet Earth

21

Task Force 1: Earth Accretionary Systems (in Space and Time) (ERAS)

22

Task Force 2: Tectonic Causes of Volcano Failure and Possible Premonitory Signals

24

Task Force 3: Lithosphere-Asthenosphere Interactions

25

Task Force 4: Ultra-Deep Continental Crust Subduction (UDCCS)

27

Task Force 5: Global and Regional Parameters of Paleoseismology; Implications for Fault Scaling and Future Earthquake Hazard

28

Task Force 6: Sedimentary Basins

31

Task Force 7: Temporal and Spatial Change of Stress and Strain

33

Task Force 8: Baby-Plumes Origin, Characteristics, Lithosphere-Asthenosphere Interaction and Surface Expression

35

Regional Coordinating Committee Europe: TOPO-EUROPE

37

Regional Coordinating Committee Asia: TOPO-CENTRAL-ASIA: 4D Topographic Evolution in Central Asia

39

Regional Coordinating Committee DynaQlim: Upper Mantle Dynamics and Quaternary Climate in Cratonic Areas

40

International Continental Scientific Drilling Programme (ICDP)

42

Perspectives on Integrated Solid Earth Sciences

43

References

48

3D Crustal Model of Western and Central Europe as a Basis for Modelling Mantle Structure

54

Introduction

54

Basic Model Assumptions

55

Crustal Model of Western and Central Europe

58

Southeastern Europe

59

Italian Peninsula

62

Iberian Peninsula and Central Atlantic Margin

63

England and North Atlantic Margin

65

Central Europe

66

Northern and Eastern Europe

68

EuCrust-07: Statistical Analysis and Difference with Previous Models

68

Lithology of the European Crust

75

Conclusions

79

References

81

Thermal and Rheological Model of the European Lithosphere

85

Introduction

85

Thermal Model of the European Lithosphere

86

Lithosphere Thickness of Europe

90

Introduction to the Strength Calculation

94

Rheological Model of the European Lithosphere

95

Effective Elastic Thickness ( Te ) of the European Lithosphere

104

How Reliable are the Strength Estimates?

109

Conclusions

111

Appendix: Anharmonicity Correction

112

Voigt-Reuss-Hill (VRH) Averaging

112

References

112

Thermo-Mechanical Models for Coupled Lithosphere-Surface Processes: Applications to Continental Convergence and Mountain Building Processes

116

Introduction

116

Interplays Between Surface and Tectonic Processes

119

Tectonic Forcing on Surface Processes

119

Coupling Between Denudation and Tectonic Uplift Due To Isostasy

119

Coupling Between Surface Processes and Horizontal Strains

120

Coupling of Surface Processes and Tectonic Input/Reaction in Full Scale Mechanical Models: Major Stages

121

Surface Processes Modelling: Principles and Numerical Implementation

121

Basic Models of Surface Processes

122

Alternative Models of Surface Processes

124

Structure and Rheology of the Lithosphere

125

Rheology

125

Thermal Model

128

Implementation of Coupled Models

128

Semi-Analytical Model for Intermediate Tectonic Convergence Rate

128

Unconstrained Fully Coupled Numerical Model

130

Experiments

131

Semi-Analytical Model

131

Case 1: No Surface Processes: ''Subsurface Collapse''

132

Case 2: No Shortening: ''Erosional Collapse''

133

Case 3: Dynamically Coupled Shortening and Erosion: ''Mountain Growth''

134

Coupled Regime and Graded Geometries

136

Sensitivity to the Rheology and Structure of the Lower Crust

137

Comparison With Observations

137

Numerical Experiments

138

Conclusions

142

Appendix 1: Model of Flexural Deformation of the Competent Cores of the Brittle-Elasto-Ductile Crust and Upper Mantle

144

Appendix 2: Model of Flow in the Ductile Crust

145

Appendix 3: Analytical Formulation for Ascending Crustal Flow

148

Appendix 4: Numerical Algorithm for the Full Thermo-Mechanical Model

150

References

151

Achievements and Challenges in Sedimentary Basin Dynamics:A Review

157

Introduction

158

Deep Controls on the Architecture of Sedimentary Basins

159

Constraints on Basin Fill and Crustal Configuration by Seismic Imaging

159

Industrial Reflection Seismic and Supporting Potential Field Data

159

Crustal-Scale Reflection and Refraction Seismology

160

Continental-Scale Maps of the European Moho and Lithospheric Thickness

161

Mantle Tomography and Other Controls on Lithospheric Thickness and Mantle Heterogeneities

166

Lithosphere Rheology and Tectonic Controls on Basin Segmentation and Topography

171

Lithosphere Strength and Deformation Mode

173

Lithospheric Folding: An Important Mode of Intraplate Basin Formation

176

Linking the Sedimentary Record to Processes in the Lithosphere

179

Mechanical Controls on Basin Evolution: Europe's Continental Lithosphere

179

Dynamics of Sedimentary Systems and Deformation Patterns

186

Compressional Basins: Lateral Variations in Flexural Behaviour and Implications for Paleotopography

186

Topographic Expression of Compressional and Extensional Flat-Ramp Systems

187

Coupling versus Decoupling between Forelands and Orogenic Wedges and Development of Thrust-Top Pull-Apart Basins

189

Intracratonic Basins

191

Passive Margins

196

Source Sink Processes: Coupling of Climate, Uplift and Erosion, Subsidence and Sedimentation

200

Requirements for Data Acquisition and Development of New Analytical Techniques

201

Chronostratigraphy, Sedimentation Rates and Timing of Maximum Burial

201

Paleo-Thermometers, Rates and Timing of Unroofing

202

Pioneer Studies for Calibrating Paleo-Elevations

205

New Developments in Numerical and Physical Modelling of Erosion, Sedimentation and Mountain Building Processes

206

Coupled Kinematic and Mechanical Models of Thrust Belt Evolution

206

Numerical Stratigraphic Models Coupling Erosion-Transport-Sedimentation

206

Physical Experiments and Parameters Controlling Continental Topography and Erosion

208

Synergy between Analogue and Numerical Modelling Addressing Coupling Between Deep Earth and Surface Processes and Paleo-Topography

211

New Trends in Integrated Basin Modelling Studies and Validation

214

Dynamic Controls on Reservoir Quality in Foreland Fold-and-Thrust Belts

216

Pore Fluid Pressure, Fluid Flow and Reactive Transport

216

3D Kinematic Evolution of Complex Structures

220

Geomechanics, Fracturing and Reservoir Prediction

220

Aspects of Future Basin Study

221

References

226

Recent Developments in Earthquake Hazards Studies

246

Introduction

246

The Science of Earthquakes Understanding the Hazard

247

Background

247

Diffuse Plate Boundaries

249

The Earthquake Cycle

249

Earthquake Triggering: Natural and Man-Made

251

Intraplate Earthquakes

252

Transient Aseismic Slip and Subduction Zone Seismic Tremor

254

The Paleoseismic Record Paleoseismic Record

254

Lessons from the Earthquake Record

256

A Survey of Earthquake Hazards

256

Earthquake Engineering and Building Codes

258

Future Directions in Earthquake Science

260

Enhanced Seismic Monitoring

260

Global Positioning Systems (GPS) Global Positioning Systems

261

Interferometric Synthetic Aperture Radar Interferometric Synthetic Aperture Radar (InSAR)

263

Shakemaps of Seismic Intensities

264

Earthquake Forecasting vs. Earthquake Prediction

265

Earthquake Early Warning

266

Closing Comments

267

References

269

Passive Seismic Monitoring of Natural and Induced Earthquakes: Case Studies, Future Directions and Socio-Economic Relevance

272

Introduction

272

Quantifying the Earthquake Process

273

Case Studies

275

Monitoring the Failure Process: Acoustic Emission Activity and Fracturing in the Laboratory

276

Tracking the Hydro-Frac: Passive Seismic Monitoring in Hydrocarbon Reservoirs

278

Induced Seismicity at Crustal Depth: The KTB Deep Borehole Observatory

279

The Parkfield Earthquake Experiment

280

The San Andreas Fault Observatory at Depth

283

Outlook and Future Directions

286

NanTroSEIZE: Monitoring of a Locked Segment Along the Convergent Plate Boundary Offshore of Japan

286

The Istanbul/Marmara Branch of the North Anatolian Fault Zone in NW Turkey: Locked or Creeping?

289

Concluding Remarks

291

References

293

Non-volcanic Tremor: A Window into the Roots of Fault Zones

297

Introduction

297

Episodic Tremor and Slip

298

New Opportunities

299

Fundamental Properties of Tremor

300

Locating Non-volcanic Tremor

302

Waveform Envelope Location Methods

303

Amplitude Based Location Methods

303

Small Aperture Seismic Array Based Location Methods

304

Phase Based Location Methods

304

The Future of Tremor Location

305

Developing a Physical Model for Tremor

305

The Fluid Flow Model for Non-volcanic Tremor

305

Case Study I: Non-volcanic Tremor in Japan

306

Low Frequency Earthquakes

306

Tremor Migration

308

A Wide Range of Slow Events

308

Case Study II: Stress Interactions of Tremor with Other Earth Processes

309

Earthquakes Influencing Tremor

310

The Tides Influencing Tremor

312

Theoretical Models of Slow Slip (and Tremor)

312

Discussion and Outstanding Questions

314

Understanding Why Tremor Occurs in Certain Places

314

Tremor Locations: a Broad Depth Distribution in Some Areas?

315

Relationship Between Tremor and Slow Slip

316

Seismic Hazard Implications

317

Summary

319

References

319

Volcanism in Reverse and Strike-Slip Fault Settings

325

Introduction

325

Reverse Fault Tectonics and Volcanism

326

Field Examples

326

Intra-Plate Setting

327

Subduction Zones

328

Analogue Modelling Data

333

Magma Paths

335

Strike-Slip Fault Tectonics and Volcanism

336

Field Examples

336

Intra-Plate Setting

336

Subduction Zones

337

Transcurrent Faults and Calderas

341

Analogue Modelling

344

Magma Paths

346

Petrologic and Geochemical Effects

347

Conclusions

349

References

351

DynaQlim 0 Upper Mantle Dynamics and Quaternary Climate in Cratonic Areas

359

Introduction

359

Observational Basis

360

Geodetic Observations

360

Evidence from Geophysical Observations of Lithosphere Structure

362

Seismicity and Stress-Field

366

Cryosphere and Palaeoclimate

368

Current Models and Problems to be Solved

369

Climate

371

Ten Million Year Time Scale

372

Late-Pleistocene Ice Ages

372

Last Ice Age, Postglacial Transition

373

Holocene and Neoglacial Change

375

Connections to Upper Mantle Dynamics

375

Challenges with DynaQlim

375

References

377

Ultradeep Rocks and Diamonds in the Light of Advanced Scientific Technologies

383

Introduction

383

Methods

384

Focused Ion Beam-Assisted Transmission Electron Microscopy

384

Synchrotron Infrared (IR) Microspectroscopy

386

Samples from Earths Interior: From What Depth Do They Originate?

386

Ultradeep Xenoliths from Kimberlitic Sources

386

Diamonds from Kimberlitic Source

387

Submicrometre- and Nanoscale-Size Inclusions in Kimberlitic Diamonds

389

Ultrahigh-Pressure Metamorphic Rocks from Collisional Orogens

390

Garnet Peridotites from UHPM Terranes

390

Diamonds from Ultrahigh-Pressure Terranes

392

Nanoscale Fluid and Solid Inclusions in Metamorphic Diamonds

393

Some Notes Related to Microdiamond Morphologies

396

Diamonds from Oceanic Island, Ophiolite, and Forearc Settings

397

Summary Statements

400

References

401

New Views of the Earth0s Inner Core from Computational Mineral Physics

406

Introduction

383

Computational Methods

384

Ab Initio Techniques

384

Simulation of Pressure

386

Simulation of Temperature

409

The Ab Initio Simulation of Iron and Iron Alloys in the Earths Inner Core

412

Constraints on the Structure of Iron in the Inner Core

387

The Effect of Light Elements on the Stable Phase of Iron in the Earth's Inner Core

389

Constraints on the Composition and Structure of the Earth's Inner Core from Calculated Seismic Wave Velocities

390

Summary and Conclusions

418

References

401

Index

422