Fig. 6

Predicted temperatures by the coupled fluid flow and heat transport simulations without considering faults in the system (model 1). The model predicts widespread negative thermal anomalies (blue colours) at shallower depths (maps a and b). The small positive thermal anomalies (reddish colours) from shallower depths increase in size with increasing depth (maps c–f). Profile lines are depicted in map d for which the temperature distribution is shown in Fig. 8