Question

What are giant piles of mining waste called?

Answer 1

The giant piles of mining waste called tailings. These wastes consists of ground rock and process effluents from a mining plant. These wastes are stored on a surface either in a facility or in the form of piles. Also, sometimes it is stored underground in areas that are mined out.

Answer 2

The mining wastes are known as tailings.

Step-by-step explanation:

Tailings are the set of residues, a mixture of ground ore with water and other compounds, that remains from having extracted the minerals in the flotation process. These wastes are transported using gutters or pipes to generally authorized places, where the water is recovered or evaporated to be disposed as a layered deposit of fine materials.