9.6 Mining for metals Flashcards
1
Q
rocks mined to obtain a metal or other chemical within them
A
mineral ores
2
Q
extraction of natural resources from the Earth
A
mining
3
Q
(EIS) study of the possible effects of a planned project on the environment
A
environmental impact statement
4
Q
restored to its previous condition
A
rehabilitated
5
Q
waste rock removed from below the topsoil. This rock is replaced when the area is restored.
A
overburden
6
Q
mining that scours out soil and rocks on the surface of the land
A
open-cut mining
7
Q
mining that uses shafts and tunnels to remove rock from deep below the surface
A
underground mining
