Extracting Rocks and Minerals

What are the 2 main methods of rock and mineral extraction?

• Surface Mining

• Drilling

• Deep/Subsurface Mining

• Seabed Mining

___ is rock that is rich in minerals

Select all the types of surface mining

• Mountaintop Removal

• Strip Mining

• Smelting

• Open-Cast

Which method of mining is cheaper?

• Subsurface

• Surface

Which method is safer?

• Subsurface

• Surface

Outcropping refers to

• Farming

• Agriculture

• Surface level rock/mineral

• Mining method

Which mineral deposit is most likely to be mined

• mineral is in intensely faulted or folded rocks

• unbroken, thick layers and easily accessible

• scattered over a large area

• isolated area with harsh climate

(more than 1 correct answer) Price of a mineral goes down when...

• New deposits are found

• Supply exceeds demand

• Demand exceeds supply

• The mineral is extremely rare

Which type of mining creates surface waste heaps?

• Surface mining

• Subsurface mining

• Both

• Neither

Why does crushing and refining of mineral ores often happen close to the mine?

• To avoid public attention

• To reduce transport costs

• To keep jobs within the company

• To protect the environment