http://www.domain-b.com/companies/companies_x/xstrata/20130716_copper_mine.html

Glencore Xstrata said that several mining companies and investors have shown interest in buying the project that is said to hold reserves of around 1.710 billion tonnes.

"Glencore Xstrata has received numerous expressions of interest in the Las Bambas project from a diverse group of international mining companies and potential investors," the London-based company said in a statement.