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:

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