This is a free preview. For full access
Earth and Human Activity: Resources
Ore Extraction
Description
Ore Extraction
Ore extraction methods such as heap leaching, flotation, and smelting are used to separate valuable metals from rock, but they also lead to several environmental and energy-related effects. The use of chemicals in these processes can pollute soil and water, while smelting releases...
Show More
Transcript
Have you ever looked at the metal parts of your laptop, tablet, or soda can and wondered where that metal originally came from?
For example, the metal in iron nails comes from hematite ore, which contains iron mixed with waste materials.
The useful part of the mineral is separated through the extraction process.
Extraction is d...
Show More