Subduction zone initiation reconstructions

Subduction zone initiation (SZI) reconstructions for selected events since around 100 Ma. The reconstructed events are based on the whole Earth Sciences community point-of-view of the SZI database.

Puysegur trench formation

A schematic highlighting the formation of the Puysegur trench, New Zealand, where subduction zone initiation may be both horizontally and then vertically driven, according to a 4D evolution model of this margin.

Subduction zone initiation types

Illustration of the three types of subduction zone initiation (SZI) events, namely Newly destructive, Episodic subduction, and Polarity reversal.

Subduction zone initiation forcing

Illustration of the two endmember forcing states, namely vertically and horizontally driven, characterising subduction zone initiation (SZI).

Paleo surface topography

Earth’s reconstructed global surface topography from the beginning of the Cenozoic era (66 Million years ago) until today.

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