The rocks that do not permit water to pass through them freely are known as Impervious Rocks. ... Rock which allows water to pass through it due to cracks or defects are known as pervious rocks.

What are some examples of pervious rocks?

Impermeable rocks include shales and unfractured igneous and metamorphic rocks . Solid granite is one example for pervious rocks.

Are rocks pervious?

Permeability is the ability of fluids to flow through rock. ... Permeable rocks include sandstone and fractured igneous and metamorphic rocks and karst limestone. Impermeable rocks include shales and unfractured igneous and metamorphic rocks.