Based on its resistivity values, it would be made of fine to medium clastic material saturated with fresh water.Below this last unit, in VESs 10, 9 and 12, areas with resistivity values between 19 and 5.3 Ohm·m appear, which would have a lenticular morphology, since they are not laterally correlated in all the VESs.This decrease in resistivity may be due to a change to finer facies of the same unit.