Cave in the Wall

[Oblivior]

so i found a cave in a wall and im walking inside it now and i found a chip stone thingy do i keep mining this to get metal? or do i look for a mine hole inside the cave? cous its rlly big.

[Kearn]

no, sorry, you can't get metal that way

but, if you get the prospecting skill and a rustroot extract and prospect inside, it will show you all the locations of metal deposits in the cave where you can build mine holes