the type of rock is called a rock that does not allow water to go through it
Shale
The rock is impermeable (not porous).
Such soil or rock is 'impervious'.
It means that substances can pass through it - typically we'd be talking about water. So you don't want to use permeable rock to build a wall that faces the ocean, for example.
the type of rock is called a rock that does not allow water to go through it
Shale
impermeable
The rock is impermeable (not porous).
impermeable
It isn't porous
Such soil or rock is 'impervious'.
rock holds water because rock have very tiny molecules and they are so close that water cannot pass through it
The Dull and grainy looking rock is more likely to let water pass though
The word is porous.
Porosity or permeability .
A layer of rock or soil that does not allow water to pass through it .