Company:  RIO TINTO PLC (RIO)
Form Type:  SC 13G/A
Filing Date:  2/9/2012 
CIK:  0000863064 
Address:  2 EASTBOURNE TERRACE 
City, State, Zip:  LONDON, W2 6LG,  00000 
Telephone:  44 20 7781 1623 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$45.16  
Change: 
0.59 (1.32%)  
Trade Time: 
11:58 AM EST  
Market Cap: 
$63.72B
Description of Business
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  FORM SC 13G/A