Mining is essential to modern lifestyles. Copper, iron and other mined products are vital to the products many people take for granted, like electronic devices. Being able to buy these goods quite easily may give a person a false sense of how difficult it is to extract the elements they’re made of.
Mining involves the removal of mineral-rich rock from the ground and processing it to extract the high-value minerals. Depending on the mineral, this quantity can be as low as a few grams in a tonne of rock.
For example, removing a tiny quantity of platinum from rock requires finely grinding the rock. The fine material that remains once the platinum is removed is known as tailings.