Mining

Match it! Select the correct answer from the pull down...Good luck!

This Act requires mines to put area back the way it was when they are done

Aquatic life may be harmed by the sulfuric acid from

The collapse of pillars in mines can cause

What is a property that is true for metallic minerals that is not true for nonmetallic?

Aluminum's ore is called

Placer deposits are often found

The type of mining that uses chemicals to dissolve the mineral

For a mine to be considered the deposit must be how much more concentrated