Difficulty Swallowing (Dysphagia) 1  Print. 2  PDF. 3  Email. 4  Bookmark You must be signed in to bookmark pages. Sign in now. 5  Notes You must be signed into your pro account to make notes. Sign in now. 6  Listen Listen. 7  Translate Translate.
Miner Claudio Yanez applauds as he is carried away on a stretcher after being rescued from the collapsed San Jose mine where he had been trapped with 32 other miners for over two months in 2010 near Copiapo, Chile.
As of 2005 Chalcopyrite ore is extensively mined in Chile, the United States, Canada, Zambia, Kazakhstan, Mauritania and Poland. In the United States, the states of Arizona, Montana, New Mexico, and Utah lead in ore mining. Indeed, the worldâs largest copper mine, the Chuquicamata, is located in Atacama, Chile.oncentration. All copper sulfide ores are concentrated using the froth flotation process. Ground ore is mixed with xanthate reagents (for example, pine oil), which reacts with the copper sulfide mineral to make it hydrophobic on its surface.