Bajo de la Alumbrera began operations in 1997 for initial investment of US$1.3 billion. Xstrata acquired Alumbrera in June 2003 as part of its MIM Holdings Limited acquisition. Is located in the north-west of Argentina, in the province of Catamarca, at an altitude of 2,600 metres. The Minera Alumbrera operations consist of five facilities in three provinces: The open cut mine and processing facilities at Alumbrera, Catamarca A 317 kilometre concentrate slurry pipeline through Catamarca and TucumÃ¡n provinces. A 202 kilometre 220kV powerline from El Bracho, TucumÃ¡n. The filter plant and rail loading facilities at Cruz del Norte, TucumÃ¡n The port and handling facilities at San MartÃn near Rosario, Santa Fe.