Another important physical factor is the pore pressure. In porous sedimentary rocks saturated with fluids such as water and hydrocarbons, fracture resistance is reduced. This is why it can almost be deduced that the location of the intrusive within a sedimentary basin would be concentrated within shale formations (high porosity) with plenty of oil (Figure 4 and 5). | Another important physical factor is the pore pressure. In porous sedimentary rocks saturated with fluids such as water and hydrocarbons, fracture resistance is reduced. This is why it can almost be deduced that the location of the intrusive within a sedimentary basin would be concentrated within shale formations (high porosity) with plenty of oil (Figure 4 and 5). |