Understanding sedimentary systems and processes of the Hikurangi subduction margin; from Trench to Back-Arc. Volume 2 - Université de Picardie Jules Verne Accéder directement au contenu
Article Dans Une Revue New Zealand Journal of Geology and Geophysics Année : 2024

Understanding sedimentary systems and processes of the Hikurangi subduction margin; from Trench to Back-Arc. Volume 2

Lorna Strachan
Kyle Bland
Adam Mcarthur
  • Fonction : Auteur

Résumé

This is the second of a two-part New Zealand Journal of Geology and Geophysics Special Issue on understanding sedimentary systems in Aotearoa-New Zealand’s Hikurangi Subduction Margin (HSM). This volume includes six research papers that explore sediment-tectonic interactions operating over a range of spatio-temporal scales. We take a distinctive perspective moving from the subduction deformation front in the Hikurangi Trough, upslope to the subduction wedge, and onshore to the Coastal Ranges. Temporally, papers span the onset of subduction in the Miocene, to disentangling provenance of turbidity currents triggered by the 2016 CE Kaikōura Earthquake. Collectively, the studies in the special issue reveal a complicated and continually evolving margin, where active tectonics and volcanism, coupled with vigorous climatic and oceanographic drivers, modulate erosion, transport, and depositional cycles of vast volumes of terrigenous sediment into ocean basins. Despite decades of significant research advances in our knowledge of the HSM, considerable scope remains for future work. A deeper understanding of fundamental tectonic-sediment interactions operating on active margins, along with the significant geohazards they pose remain outstanding research needs. Collectively, Volumes 1 and 2 highlight enduring interest in the HSM as a globally important natural laboratory for the study of subduction zone geoscience.

Dates et versions

hal-04648744 , version 1 (15-07-2024)

Identifiants

Citer

Lorna Strachan, Alan Orpin, Kyle Bland, Adam Mcarthur, Julien Bailleul. Understanding sedimentary systems and processes of the Hikurangi subduction margin; from Trench to Back-Arc. Volume 2. New Zealand Journal of Geology and Geophysics, 2024, 67 (3), pp.273-287. ⟨10.1080/00288306.2024.2358032⟩. ⟨hal-04648744⟩
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