1.3 "The Formation, Mining and Use of Minerals" Flashcards
1
Q
minerals that have dull or shiny surfaces, might let light pass through them and are good insulators of electricity
A
nonmetallic minerals
2
Q
the process of returning land to its original condition after the mining is completeted
A
reclamation
3
Q
minerals with shiny surfaces, minerals that do not let light pass through them and are good condecters of heat and electricity
A
metallic minerals
4
Q
a natural mineral whose concentration of economically valuable minerals is high enough for the material to be mined profitably
A
ores