Copper was also the first metal to be smelted from sulfide ores, the first metal to be cast into a mold and the first metal to be alloyed with another metal. That's a great reason to learn more ...
The highest grade diamond intercept was cored from a hole in the centre of the emerging deposit, yielding 9.1m at 3.0g/t gold, 698g/t silver, 1.2 per cent copper and 19.4 per cent lead plus zinc ...