RE:RE:NDM and logical buyoutThe main reason that Barrick failed with pascua lama was that they failed to account for the extent of the costs associated with trying to build a huge mine at 4500 m of elevation straddling the border between Chile and Argentina. Just getting the people who could handle the altitude and more importantly work in it consistently was a challenge. As well, they were having problems figuring out how to liberate the silver economically.