BATIDERO, Argentina, Feb 9 (Reuters) - High in the Andes Mountains, more than 4,200 meters above sea level on the Argentina–Chile border, mining company Vicuña Corp. aims to double its investment this year in ​one of the world’s biggest copper bets, a company executive said. Vicuña Corp., formed by Australia’s BHP and ‌Canada’s Lundin Mining, could invest about $800 million this year in the Filo del Sol and Josemaría mines, according to communications director Caterina Dzugala. The two ‌projects could tur ...