Based on the project's capital cost estimate of US$1.5 billion, the Constancia mine is estimated to generate an unlevered internal rate of return of 14.5% and a net present value of US$571 million, ...
LIMA, Sept 12 (Reuters) - Canada's HudBay Minerals plans to invest at least $1 billion in the Constancia copper mine in Peru, the company's chief executive told Reuters on Monday. The company's board ...