At the end of the article he defines a series of terms frequently used by analysts.
With their upcoming investments in assets held, similar growth will be realized for at least another five years and probably ten. It would be a good excercise to look at this year's upcoming capital expenditures and calculate the likely forward income from that alone.And then calculate the increase in book value and stock appreciation. Good project for Dar200.
Any analyst who downgrades this company can only do so if copper demand plummets, and that likelyhood has been addressed in other links referenced by Bigmoneymin.