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Clay
[Indexes Clay]
   Clays are perhaps the oldest materials from which humans have manufactured various artifacts. The making of fired bricks possibly started some 5,000 years ago and was most likely humankind's second earliest industry after agriculture. The use of clays (probably smectite) as soaps and absorbents was reported in Natural History by the Roman author Pliny the Elder.
 
  Biology & Environmental effects  Conclusion
  General Properties of Clay  Geology of Clay[1Page More]
  Investigating the Status of Clay in Iran & World  References [1Page More]
  
 
Biology & Environmental effects
 
  Biology   Environmental effects
 
 
Conclusion
 
  Comparison between national positions of the mines and the global one   Determining the investment rate, time & capacity of operation
  Economic studies   Employment
  Exploitation studies   Exploration studies
  Investigating the supply& demand   Mineral - Processing studies
 
 
General Properties of Clay
 
  Composing minerals   History
  Properties of Clay
 
 
Geology of Clay
 
  Different types of composing ore deposits   Formation conditions & genesis of Clay
  Geology & diffusion of Clay in Iran
 
 
Investigating the Status of Clay in Iran & World
 
  Investigating the exports of Clay   Investigating the imports of Clay
  Investigating the prices of Clay   Production of Clay
  Reserves of Clay   Significant consumptions of Clay
  The exploration, extraction & mineral- processing methods of Clay
 
 
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