Most of the fault system consists of dextral strike - slip faults .
Towards its northeastern end the trend swings to more S-N trend and the faults become mainly oblique normal in sense as the zone intersects with the Taupo rift zone .
Most of the fault system consists of dextral strike - slip faults , although towards its northeastern end the trend swings to more S-N trend and the faults become mainly oblique normal in sense as the zone intersects with the Taupo rift zone .