Chemistry GCSE
Low-grade ores
What Low-grade ores means in Chemistry GCSE, as defined for AQA.
Definitions of Low-grade ores
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Reference: AQA
Ores that contain only small percentages of copper compounds, so large masses of rock must be processed to obtain useful copper.
Bioleaching can make low-grade ores economically useful and avoids digging, moving and disposing of large amounts of rock.
Topics that use Low-grade ores
Related terms
- Bioleaching
- Economic and environmental choices in metal extraction
- Environmental and economic trade-offs in extraction
- Environmental impact of extraction
- Evaluating evidence and reaching justified conclusions
- Finite resources
- Phytomining
- Recycling and resource conservation
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