mining rocks and the undesirable effects of obtaining mineral resources

13
Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Upload: richard-chambers

Post on 14-Jan-2016

219 views

Category:

Documents


1 download

TRANSCRIPT

Page 1: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Mining

Rocks and The Undesirable Effects of Obtaining Mineral

Resources

Page 2: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

The Rock Cycle

Page 3: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Environmental Effects of Using Mineral and Energy Resources

Page 4: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

What Are the Harmful Environmental Effects of Using Mineral Resources?

Extracting and using mineral resources can; • disturb the land, • erode soils, • produce large amounts of solid waste, and • pollute the air, water, and soil.

Page 5: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Extracting Mineral Deposits

Surface mining

Subsurface mining

Overburden

Page 6: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Mining Methods

Open-pit mining

Strip mining

Area strip mining

Contour strip mining

Mountaintop removal

Page 7: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Open-pit Mining

Page 8: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Strip Mining

Page 9: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Contour Strip Mining

Page 10: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Mountaintop Mining

Page 11: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Harmful Environmental Effects of Mining

Disruption of land surface

Subsidence

Toxic-laced mining wastes

Acid mine drainage

Air pollution

Page 12: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Life Cycle of a Metal Resource

Page 13: Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

Electric power plant

Sulfuric acid producer

Surplussulfur

GreenhousesWasteheat

Cement manufacturer

Fly ash

Oil refinery

Waste heat

Surplusnatural gas

Area homes

Wasteheat

Fish farming

Wasteheat

Wallboard factory

Wastecalciumsulfate

Surplusnatural gas

Local farmers

Sludge

Sludge

Pharmaceutical plant

Wasteheat

Stepped Art