The beginning of the end of Europe’s dependency on China for precious rare earth materials may lie buried deep under the rugged reaches of northern Sweden, well above the Arctic Circle. Sweden’s iron-ore miner LKAB said Thursday it has identified "significant deposits" in Lapland of rare earth elements that are essential for the manufacture of smartphones, electric vehicles and wind turbines. The government-owned company that mines iron ore at Kiruna, almost 1,000 kilometers north of Stockholm, said there are more than 1 million tons of rare earth oxides....