Research Article

Influence of the Main Border Faults on the 3D Hydraulic Field of the Central Upper Rhine Graben

Table 1

Physical properties used for the coupled thermo-hydraulic simulations (UC = upper crust).

Model unitPrevailing lithologyMatrix porosityMatrix permeability [m2]Specific heat capacity [J/(kg K)]Matrix thermal conductivity [W/(mK)]Radiogenic heat production [μW/m3]Matrix density [kg/m3]

CenozoicMarl, sand, and clay [32]0.18 [16, 3336] [13, 16, 29, 33, 35, 37]860 [38]1.3 [39]1.0 [34]2585 [24]
Dogger/Lias/KeuperClay, marlstone, limestone, and sandstone [39, 40]0.04 [37] [35, 37]800 [34, 41]2.6 [39]1.6 [34]2667 [24]
Pre-Keuper (Muschelkalk/Buntsandstein/Permo-Carboniferous)Carbonates, sandstone, and rhyolites [33, 39, 40]0.08 [16, 33, 35, 37, 39] [14, 29, 33, 35, 37, 39, 42]725 [33, 34, 43]2.9 [33, 39]1.0 [34]2780 [24]
UC: Mid-German Crystalline HighGranitoids [33, 44]0.01 [34] [37]755 [33]2.4 [33]1.8 [45]2717 [24]
UC: SaxothuringianSlate, granitoids [46, 47]0.01 [34] [37]900 [34]2.5 [48]2.5 [47]2747 [24]
UC: MoldanubianGneiss, granitoids [45, 49]0.01 [34] [37]900 [34]2.5 [50]2.6 [51]2707 [24]