Miner discovery (3)
(Other definitions for ore that I've seen before include "Mineral - Scandinavian money" , "Danish currency" , "It's mined for minerals" , "foreign money" , "Mineral deposit" .)
(Other definitions for vein that I've seen before include "Irregular streak of colour" , "Vessel carrying blood towards the heart" , "Leaf rib; ore layer in rock" , "Deposit of mineral" , "Tube that carries blood to the heart" .)