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.

Governing equations

The governing equations of numerical modelling include conservation of mass, momentum, and energy with different types of rheology.

Subduction zone initiation types

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

Subduction initiation forcing

The illustration depicts two endmember states in subduction zone initiation: vertically-forced and horizontally-forced subduction initiation.

Geodynamic scales

Spatial and temporal scales of common geodynamic processes, which occur over a wide range of time and length scales.

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