Looks like the faults have displaced the original deposit. I have seen cases where a deposit has been mined and they reach a dead end where a fault has intervened and displaced the deposit and they are unable to pickup an extension of the ore. This was bad luck in the old days, but today much more traceable with todays technology as long as the fault hasn't displaced the ore over a large distance. Up, down or sideways. Throw in some metamorphism and volcanics and then the puzzle gets more complex.

I don't think this is the case with EVG though. JMO