Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources.

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Presentation transcript:

Mining Rocks and The Undesirable Effects of Obtaining Mineral Resources

The Rock Cycle

Environmental Effects of Using Mineral and Energy 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.

Extracting Mineral Deposits  Surface mining  Subsurface mining  Overburden

Mining Methods  Open-pit mining  Strip mining  Area strip mining  Contour strip mining  Mountaintop removal

Open-pit Mining

Strip Mining

Contour Strip Mining

Mountaintop Mining

Harmful Environmental Effects of Mining  Disruption of land surface  Subsidence  Toxic-laced mining wastes  Acid mine drainage  Air pollution

Life Cycle of a Metal Resource

Electric power plant Sulfuric acid producer Surplus sulfur Greenhouses Waste heat Cement manufacturer Fly ash Oil refinery Waste heat Surplus natural gas Area homes Waste heat Fish farming Waste heat Wallboard factory Waste calcium sulfate Surplus natural gas Local farmers Sludge Pharmaceutical plant Waste heat Stepped Art

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