Nobody cares about that or the old ' Colonial ' days. We have debated this before. The bottom line is that not only has gold gone up in price, all the other costs have too. It is quite safe to state that in most cases what was not profitable to mine in the '30s, '40s, or '50s is still not profitable to-day. For underground vein mining like the North Bibiani. You state the grade as x ounces per ton across y feet. A grade, underground, of 0.1 ounces per ton was dicey in the '40 s and it still is to-day. The economics were not there then and they still aren't.
News 
Market Data 
Discover 
AI
