1.3 The formation, mining, and use of minerals Flashcards
1
Q
a natural material whose concentration of economically valuable minerals is high enough to be mined profitably
A
ore
2
Q
the process of returning land to its original condition after mining is completed
A
reclamation
3
Q
minerals that are valued more for their rarity and beauty rather than their usefullness
A
gemstones
