The Student Room Group
Reply 1
Anyone? It's quite urgent. :redface:
Reply 2
Well i guess slate has a low permeability, because its used as roof tiles so its gotta be. The others im not sure on.
Reply 3
free radical
Anyone? It's quite urgent. :redface:


Dolerite has low permeability.
Reply 4
Slate potentially has a high permeability but a low porousity.

Schist and dolerite are both relatively low permeability.
Reply 5
bikerx23
Slate potentially has a high permeability but a low porousity.

Schist and dolerite are both relatively low permeability.


Ditto that man :yy: