By David Okaya, Tim Stern, Fred Davey
Released by way of the yank Geophysical Union as a part of the Geophysical Monograph sequence, quantity 175.
A Continental Plate Boundary bargains in a single position the main complete, up to date wisdom for researchers and scholars to benefit concerning the tectonics and plate dynamics of the Pacific-Australian continental plate boundary in South Island and in regards to the software of contemporary geological and geophysical equipment. It examines what occurs while convergence and translation ensue at a plate boundary by way of
- Describing the geological and geophysical signature of a continental rework fault;
- Identifying the various vertical and lateral styles of deformation on the plate boundary;
- Assessing an obvious seismicity hole at the plate boundary fault and fast-moving plate motions;
- Comparing this plate boundary to different worldwide convergent continental strike-slip plate boundaries;
- Documenting the software of the double-sided, onshore-offshore seismic technique for exploration of a slim continental island; and
- Providing extra papers proposing formerly unpublished results.
This quantity will end up important for seismologists, tectonophysicists, geodesists and potential-field geophysicists, geologists, geodynamicists, and scholars of the deformation of tectonic plates.
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Extra info for A Continental Plate Boundary: Tectonics at South Island, New Zealand
Uncertainties are introduced in both measuring the true faultrelated offset and assigning an age to the feature [Norris and Cooper, 2001]. , this volume]. , this volume]. , Beanland and Berryman, 1989; Jackson et al. 1996; Norris and Nicolls, 2004]. By far the greatest rate of late Quaternary slip has occurred on the Alpine Fault. , 1992; Norris and Cooper, 2001, this volume]. Dip-slip rates are variable along the fault, being close to zero in the southwest, and rising to a maximum of >10 mm/yr locally in central South Island [Norris and Cooper, 2001, this volume].
2005; Carter and Naish, 1998b]. Quaternary Deformation The historical effects of earthquakes in New Zealand have been documented since the Marlborough earthquake of 1848, with the 1855 M8+ Wairarapa earthquake being the most severe earthquake felt in New Zealand since European settlement [Downes, 1995]. 3 North Canterbury earthquake [Cowan, 1991; McKay, 1890]. There are now well over one hundred studies providing assessment and refinements of Quaternary fault displacements and calculated displacement rates in New Zealand.
Waipounamu erosion surface) by effects of differential sedimentary compaction and paleo water depth. Plate Boundary Initiation Major changes in sedimentation, volcanism, and tectonism occurred at the beginning of the Miocene throughout most of South Island (Plate 1D). Principally, there was a change from epicontinental transgressive sedimentary patterns to active fault-localised sedimentation and regression, which coincided with increasing sedimentation rates. The increased tempo of tectonics probably reflects strike-slip motion as the Australian-Pacific plate boundary developed through the region (Plate 1C, D).