Two specific areas of interest showing the interaction between the fault network connectivity and the heat flow. A: the south Upper-Rhine Graben sector, B: northern parts of Bresse Graben The black dashed lines delineate areas of interest described in section 6.5. AuF: Autun Fault, AvF: Avallon Fault, EF: Epinal Fault, JTF: Jura Thrust Fault, LLF: Lalaye-Lubine fault, LSF: La Serre Fault, MMF: Montceau-les-mines Fault, NF: Nomény Fault, RBTZ: Rhine Bresse transfer zone, SF: Sarre Fault, SMF: Ste. Marie-aux-Mines-Retournemer Fault, TF: Tonnerre Fault, TiF: Tignécourt Fault, ToF: Toulon-sur-Arroux-le Creusot Fault, VF: Vittel Fault, VoF: Vosges Fault, VolF: Vologne Fault.