Minerals and Mining Quiz

Reclamation is

• not required in the U.S.

• returning the land back to it's original condition after mining

• a process that causes significant environmental damage

• required by every country and for every type of mine in the world

The damage done by surface mining includes:

• erosion of sediments into streams and lakes

• Clearing the landscape of trees and soil

• pollutants and acid flow outward from mines

• All of these

What type of mining would most likely be used if a resource is concentrated in deep pockets in the ground that is safe for tunneling?

• subsurface mining

• mountaintop removal

• solution mining

• open pit mining

Which type of mining is associated with disturbing more land?

• Surface mining

• Subsurface mining

• Ocean mining

• Placer mining

Acid mine drainage causes

• air pollution
• water pollution 
• subsidence
• erosion

Sedimentary rocks are _______ .

• formed from magma

• a type of foliated igneous rock

• formed because of changes in temperature and pressure, or the presence of hot watery fluids

• formed when loose materials become pressed or cemented together or when minerals form from solutions

Mining companies must obtain permits before mining.

• True
• False

A rock formed from lava or magma is classified as

• igneous

• metamorphic

• sedimentary

A rock formed from heat and pressure is

• igneous
• metamorphic
• sedimentary

The luster of a mineral describes 

• its density
• how it cracks
• its color
• the shininess