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