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6.6 Mining - Coggle Diagram

- - - - lower grade with lower concentration of minerals
      - higher grade with higher concentrations of minerals
  - - - mineral scarcity
        
        minerals are not even around the earth, some places contain more.
- - - - open pit mining
      - contour strip mining and mountain top removal
        
        machines dissipation rock and dirt
        
        water pollution
        
        waste are stored in dams known to release toxic substances into valleys
        
        habitat loss with deforestation and flooding risk
        
        explosives are used on the top of the mountain to expose coal
      - area strip mining
        
        huge earth mover strips
        
        power shovels used to extract coal or gold
        
        parallel cuts
        
        used to get out minerals close to earth's surface
        
        flat land
- - - - reciclying
      - process product
      - manufacturing
      - mining
    - - smelting: releases excess pollutants
      - chemical solvents: cause air and water polution