Did you know?
You can earn activity points by filling your profile with information about yourself (what city you live in, your favorite team, blogs etc.)
"...$10,000/tonne copper..." refers to metric weight in which one TONNE equates to about 2,240 pounds, aka a long ton. In US weight one TON is 2,000 pounds, aka a short ton.
Therefore $10,000 per tonne equates to about $8,928 per ton, or about $4.464 per pound (around 50 percent higher ).
