Spoil tip

A spoil tip  is a pile built of waste material removed during mining. The word "spoil" is also used for material removed when digging a foundation, tunnel, or other large diggings. Spoil tip is also known by other names like a boney pile, culm bank, gob pile, waste tip, bing, mine dump or mine waste dump.

References

Category:Metallurgy
Category:Waste