RE:Higest Grades On Planet Earth For A Mine Goldy63 wrote: - The mine with the highest grade of copper in the world is Sudbury (also known as Victoria) in Canada, where the grade of ore is nearly 8%. The underground mine is found in a unique geological area, caused by a meteorite crashing into Earth nearly 2 billion years ago.
Ther are grades in the footwall in SEVERAL sudbury mines that were 25% copper. Mostly gone now, but they find some new deposits every few years.
Where do yuo get your stats?