Dr. Mark Fedikow is a Canadian expert on MMI s . This is a pdf designed to explain how MMI works to the oil industry . He uses the metals to do this .
https://wbpc.ca/assets/docs/Fedikow.pdf
He has said in other papers that a RR of 50 is a strong response for Gold and a RR of 100 is very significant .
A 3000 MMI RR suggests very high gold grades .