How to Evaluate a Gold Deposit - Comparing Two Deposits .Oct 12, 2011 . This mining and processing cost of roughly $20 per tonne of ore now . recovery to the average grade of 2 grams per tonne gold leaves us with.average amount of gold per ton of ore,What Is the Average Grade of Producing Gold Mines? « Korelin .Oct 5, 2012 . Producing from this ore concentrate 2.33oz of gold per pound, .66oz of Pd per .. With ever decreasing grams per ton and ever increasing costs to . if the people doing those low amounts precious metals per ton ratio is the.
average amount of gold per ton of ore