Ocean Underworld
Image: GNS Science.
Many processes shape the undersea topography of the New Zealand continental margin, including uplift, subsidence, volcanism, faulting, rock slides, and transport of sediments by deep-ocean currents.
- Creating Zealandia – evolution of New Zealand over the past 65 million years.
- Trenches and volcanic arcs – features of a subduction zone.
- Shaping the ocean floor – erosion, deposition and sea level change.
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