Refinery rocks
I believe the answer is:
ore
(Other definitions for ore that I've seen before include "Deposit of mine" , "not worth a lot to Danes" , "tangle" , "Metal-bearing rock or mineral" , "Rock from which metal is extracted" .)
I believe the answer is:
ore
(Other definitions for ore that I've seen before include "Deposit of mine" , "not worth a lot to Danes" , "tangle" , "Metal-bearing rock or mineral" , "Rock from which metal is extracted" .)