Then fluid can travel through the rock, and the rock is said to be "permeable".
Because the pores within the shales are poorly connected or even not connected and on the other side the pores within the sandstones are much connected which allow the fluid to flow.that's why the flow rate of sandstone is greater than that of shale.
pores
pores
the zone in rock layers where all the pores are filled with water
the zone in rock layers where all the pores are filled with water
the zone in rock layers where all the pores are filled with water
aquifer
sorry about spelling - porous rocks
in pores or holes in the soil and the underlying rock layers
Aquifer
Permeability
Yes, largely in pores or holes in rock and soil layers.