Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
background blue concept crack czech deposits extraction ferric ferriferous ferrous flaw fossil geologic geological geology hematite industrial industry iron layer materials metal metallurgical miner mineral mineralogy mining mountain moutains natural nature open ore pit pool quarry relief resource rock rockface rog rough rust schist sedimentary slate stone structure structured texture yellow