A Continental Plate Boundary

David Okaya Associate Professor at USC Earth Sciencies.

Preface vii
David Okaya, Tim Stern, and Fred Davey

Continent-Continent Collision at the Pacific/Indo-Australian Plate Boundary: Background, Motivation, and Principal Results 1
David Okaya, Tim Stern, Fred Davey, Stuart Henrys, and Simon Cox

SECTION I: Regional Framework of Pacific/Indo-Australian Plate Boundary

Regional Geological Framework of South Island, New Zealand, and its Significance for Understanding the Active Plate Boundary 19
Simon C. Cox and Rupert Sutherland

Geophysical Structure of the Southern Alps Orogen, South Island, New Zealand 47
F.J. Davey, D. Eberhart-Phillips, M.D. Kohler, S. Bannister, G. Caldwell, S. Henrys, M. Scherwath, T. Stern, and H. van Avendonk

Kinematic Constraints From GPS on Oblique Convergence of the Pacific and Australian Plates, Central South Island, New Zealand 75
John Beavan, Susan Ellis, Laura Wallace, and Paul Denys

Seismic Anisotropy in South Island, New Zealand 95
Martha Kane Savage, Mathieu Duclos, Katrina Marson-Pidgeon

Crustal Thickness and Pn Anisotropy Beneath the Southern Alps Oblique Collision, New Zealand 117
S. Bourguignon, M. K. Savage and T. Stern

Compressional and Shear Wave Velocities in South Island New Zealand Rocks and Their Application to the Interpretation of Seismological Models of the New Zealand Crust 125
Nikolas I. Christensen and David A. Okaya

SECTION II: The Plate Boundary (Alpine Fault) & Associated Mountain Building (Southern Alps)

The Alpine Fault, New Zealand: Surface Geology and Field Relationships 159
Richard J. Norris and Alan F. Cooper

Deformation of the Pacific Plate Above the Alpine Fault Ramp and its Relationship to Expulsion of Metamorphic Fluids: An Array of Backshears 179
Ruth H. Wightman and Timothy A. Little

Geophysical Exploration and Dynamics of the Alpine Fault Zone 209
Tim Stern, David Okaya, Stefan Kleffmann, Martin Scherwath, Stuart Henrys, and Fred Davey

Do Great Earthquakes Occur on the Alpine Fault in Central South Island, New Zealand? 237
R. Sutherland, D. Eberhart-Phillips, R.A. Harris, T. Stern, J. Beavan, S. Ellis, S. Henrys, S. Cox, R.J.
Norris, K.R. Berryman, J. Townend, S. Bannister, J. Pettinga, B. Leitner, L. Wallace, T.A. Little, A.F.
Cooper, M. Yetton, and M. Stirling

SECTION III: Plate Boundary Dynamics

Three-Dimensional Geodynamic Framework for the Central Southern Alps, New Zealand: Integrating Geology, Geophysics and Mechanical Observations 255
Phaedra Upton and Peter O. Koons

Transpression Models and Ductile Deformation of the Lower Crust of the Pacific Plate in the Central Southern Alps, a Perspective From Structural Geology 273
Timothy Little, Ruth Wightman, Rodney J. Holcombe, and Matthew Hill

Modeling Strain and Anisotropy Along the Alpine Fault, South Island, New Zealand 291
M. K. Savage, A. Tommasi, S. Ellis, and J. Chery

SECTION IV: Comparisons

A Comparison Between the Transpressional Plate Boundaries of South Island, New Zealand,
and Southern California, USA: The Alpine and San Andreas Fault Systems 309
Gary S. Fuis, Monica D. Kohler, Martin Scherwath, Uri ten Brink, Harm J.A. Van Avendonk,
and Janice M. Murphy

Taiwan and South Island, New Zealand—A Comparison of Continental Collisional Orogenies 331
F. Wu, F. Davey, and D. Okaya

Seismogenic, Electrically Conductive, and Fluid Zones at Continental Plate Boundaries in New Zealand, Himalaya, and California, USA 349
George R. Jiracek, Victor M. Gonzalez, T. Grant Caldwell, Philip E. Wannamaker, and Debi Kilb