Anglo American Chile has presented an EIA to local environmental regulator Conama for a US$68mn project to process low grade copper waste material currently stockpiled at the Mercedes dump at the Mantos Blancos copper operation in northern region II.
See http://www.bnamericas.com/news/metals/Anglo_American_submits_EIA_for_US*68mn_project_to_process_low_grade_copper.