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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D/A

Under the Securities Exchange Act of 1934
(Amendment No. 8)*

Ivanhoe Mines Ltd.
(Name of Issuer)
Common Shares, without par value
(Title of class of securities)
46579N
(CUSIP Number)
Ben Mathews
Rio Tinto plc
2 Eastbourne Terrace
London W2 6LG
United Kingdom
+44 (0) 20 7781 2058
(Name, Address and Telephone Number of Person Authorized to
Receive Notices and Communications)
with copy to:
Thomas B. Shropshire, Jr.
Linklaters LLP
One Silk Street
London EC2Y 8HQ
United Kingdom
+44 (0) 20 7456 3223

September 13, 2010
(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. o

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See § 240.13d-7 for other parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 
 

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CUSIP No.
  
46579N  
  

 

           
1   NAME OF REPORTING PERSON.

Rio Tinto plc
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
  (a)   o 
  (b)   þ (See Item 4) 
     
3   SEC USE ONLY
   
   
     
4   SOURCE OF FUNDS (SEE INSTRUCTIONS)
   
  WC
     
5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
   
  o
     
6   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  England and Wales
       
  7   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 8   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   267,214,784 (see Items 3 and 5)
       
EACH 9   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH 10   SHARED DISPOSITIVE POWER
     
    267,214,784 (see Items 3 and 5)
     
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY REPORTING PERSON
   
  267,214,784 (see Items 3 and 5)
     
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
   
  43.7 per cent (see Item 5)
     
14   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  HC, CO

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CUSIP No.
  
46579N  
  

 

           
1   NAME OF REPORTING PERSON.

Rio Tinto International Holdings Limited
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
  (a)   o 
  (b)   þ (See Item 4)
     
3   SEC USE ONLY
   
   
     
4   SOURCE OF FUNDS (SEE INSTRUCTIONS)
   
  WC
     
5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e):
   
  o
     
6   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  England and Wales
       
  7   SOLE VOTING POWER
     
NUMBER OF   0
       
SHARES 8   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   267,214,784 (see Items 3 and 5)
       
EACH 9   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   0
       
WITH 10   SHARED DISPOSITIVE POWER
     
    267,214,784 (see Items 3 and 5)
     
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY REPORTING PERSON
   
  267,214,784 (see Items 3 and 5)
     
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
   
  43.7 per cent (see Item 5)
     
14   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  HC, CO

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Item 1. Security and Issuer.
Item 3. Source and Amount of Funds or Other Consideration.
Item 5. Interest in Securities of the Issuer.
Item 7. Materials to be Filed as Exhibits
SIGNATURES
EX-99.A

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Item 1. Security and Issuer.
     This Amendment No. 8 to Schedule 13D amends and supplements the statement on Schedule 13D originally filed by Rio Tinto plc (“Rio Tinto”) and Rio Tinto International Holdings Limited (“RTIH”) on November 3, 2006 and amended on September 12, 2007, October 26, 2007, January 7, 2008, April 10, 2008, October 30, 2009, March 4, 2010, and July 7, 2010 (as amended and supplemented, the “Schedule 13D”) with the Securities and Exchange Commission (the “SEC”), relating to the common shares, without par value (the “Shares”), of Ivanhoe Mines Ltd., a corporation continued under the laws of the Yukon Territory, Canada (the “Company”).
Item 3. Source and Amount of Funds or Other Consideration.
     Item 3 of the Schedule 13D is amended and supplemented as follows:
     On September 13, 2010, RTIH acquired 40,083,206 Shares of the Company in accordance with the terms of the Facility and which matured on the Maturity Date. The outstanding principal and accrued interest ($400,832,056) under the Facility converted on maturity into Shares of the Company at a price of US$10.00 per share.
Item 5. Interest in Securities of the Issuer.
     Item 5 of the Schedule 13D is hereby amended and restated in its entirety as follows:
     The responses of Rio Tinto and RTIH to Rows (11) through (13) of the cover pages of this Schedule 13D and the information set forth in Item 3 are hereby incorporated by reference in this Item 5.
     Pursuant to the Private Placement Agreement, on the First Closing Date, RTIH acquired 37,089,883 Shares, representing upon completion 9.95 per cent of the Company’s outstanding Shares, and on the Second Closing Date, RTIH acquired an additional 46,304,473 Shares. The Shares acquired were originally intended to produce an aggregate interest of 19.9 per cent of the Company’s outstanding Shares but, as a result of Share issues under employee share plans, the aggregate interest has been diluted to 19.7 per cent of the Company’s outstanding Shares. Pursuant to RTIH’s anti-dilution rights under the Private Placement Agreement (as described in Item 4), RTIH also acquired on December 4, 2008 an additional 243,772 Shares and warrants which are exercisable to purchase an additional 1,440,406 Shares at a price of Cdn$3.1465 per share.
     Also pursuant to the Private Placement Agreement, on the First Closing Date, RTIH acquired the Series A Warrants and the Series B Warrants which are exercisable to purchase an additional 92,053,044 Shares. On the Funding Date, RTIH acquired the Series C Warrants which, pursuant to the Funding Proportion,3 are currently exercisable to purchase an additional 35,000,000 Shares.
     Pursuant to the Acquisition, RTIH acquired 15,000,000 Shares, representing upon issuance 2.7 per cent of the outstanding Shares.
     Pursuant to the exercise of the Series A Warrants, RTIH acquired 46,026,522 Shares.
     Pursuant to the conversion of the Loan Amount at a price of $10 per share on September 13, 2010, RTIH acquired 40,083,206 Shares.
     Therefore, each of Rio Tinto and RTIH is deemed to beneficially own 267,214,784 Shares which, assuming the exercise of all the Series B Warrants, Series C Warrants and Anti-Dilution Warrants, and the conversion of the Loan Amount into an additional 40,083,206 Shares, in addition to the 37,089,883 Shares acquired by RTIH on the First Closing Date, the 46,304,473 Shares acquired by RTIH on the Second Closing Date, 243,772 Shares acquired by RTIH on December 4, 2008, the 15,000,000 Shares from the completion of the Acquisition and the 46,026,522 Shares acquired by RTIH pursuant to the exercise of the Series A Warrants, would represent 43.7 per cent of the Company’s outstanding Shares on a fully diluted basis.
     The percentage of the class of securities identified pursuant to Item 1 beneficially owned by each of Rio Tinto and RTIH is based on 488,036,669 Shares outstanding as of June 30, 2010, as contained in the Company’s Quarterly Financial Report for the Three and Six Months Ended June 30, 2010. Assuming the exercise of 20.3 million incentive stock options in the Company’s Shares outstanding, as contained in the Company’s Quarterly Financial Report for the Three and Six Months Ended June 30, 2010, each of Rio Tinto and RTIH would be deemed to beneficially own 42.3 per cent of the Company’s outstanding Shares on a fully diluted basis.
 
3   As at March 1, 2010, the Funding Proportion is one, which is equal to the lesser of one and the result obtained by dividing (i) $350 million, the total drawdown under the Facility, by (ii) $350 million.

 

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     In addition, the Shares deemed beneficially owned by each of Rio Tinto and RTIH with respect to which such person (i) has sole voting power, (ii) shares voting power, (iii) has sole dispositive power and (iv) shares dispositive power are listed in the responses to Items 7, 8, 9 and 10, respectively, of the cover page of this Schedule 13D relating to such person.
     Except as disclosed in this Schedule 13D, neither Rio Tinto nor RTIH nor, to the best of their knowledge, any of the persons listed in Schedule A hereto, beneficially owns any Shares or has the right to acquire any Shares.
     Except as disclosed in this Schedule 13D, neither Rio Tinto nor RTIH nor, to the best of their knowledge, any of the persons listed in Schedule A hereto, presently has the power to vote or to direct the vote or to dispose or direct the disposition of any of the Shares which they may be deemed to beneficially own.
     Except as disclosed in this Schedule 13D, neither Rio Tinto nor RTIH nor, to the best of their knowledge, any of the persons listed in Schedule A hereto, has effected any transaction in the Shares during the past 60 days.
     To the best knowledge of Rio Tinto and RTIH, no other person has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Shares beneficially owned by Rio Tinto and RTIH.
Item 7. Materials to be Filed as Exhibits
     
Exhibit No.   Description
A
  Joint Filing Agreement between Rio Tinto plc and Rio Tinto International Holdings Limited

 

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SIGNATURES
          After reasonable inquiry and to the best of my knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.
Dated: September 13, 2010
         
  Rio Tinto plc
 		  
  By:   /s/ Ben Mathews   
    Signature   
       
     
     Ben Mathews / Secretary    
    Name/Title   
       
 
  Rio Tinto International Holdings Limited
 		  
  By:   /s/ Ben Mathews   
    Signature   
       
 
     Ben Mathews / Director    
    Name/Title   
       

 

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SCHEDULE A
          The response set forth in Schedule A of the Schedule 13D is hereby amended and restated in its entirety with the information below:
Rio Tinto plc
Directors and Executive Officers
             
Name   Present Principal Occupation   Business Address   Citizenship
Directors
            
Jan du Plessis
   Chairman of Rio Tinto   2 Eastbourne Terrace   United Kingdom
 
       London W2 6LG    
 
       United Kingdom    
Tom Albanese
   Chief Executive of Rio Tinto   2 Eastbourne Terrace   United States of America
 
       London W2 6LG    
 
       United Kingdom    
Guy Elliott
   Finance Director of Rio Tinto   2 Eastbourne Terrace   United Kingdom
 
       London W2 6LG    
 
       United Kingdom    
Sam Walsh
   Chief Executive of the Iron Ore   120 Collins Street   Australia
 
   Group   Melbourne Victoria 3000    
 
       Australia    
Robert Brown
   Company Director   1188 Sherbrooke Street   Canada
 
       West, Montreal, Quebec    
 
       H3A 3G2, Canada    
Vivienne Cox
   Company Director   2 Eastbourne Terrace   United Kingdom
 
       London W2 6LG    
 
       United Kingdom    
Sir Rod Eddington
   Company Director   120 Collins Street   Australia
 
       Melbourne    
 
       Victoria 3000    
 
       Australia    
Mike Fitzpatrick
   Company Director   120 Collins Street   Australia
 
       Melbourne    
 
       Victoria 3000    
 
       Australia    
Yves Fortier
   Company Director   1188 Sherbrooke Street   Canada
 
       West, Montreal, Quebec    
 
       H3A 3G2, Canada    
Ann Godbehere
   Company Director   2 Eastbourne Terrace   Canada
 
       London W2 6LG   and United Kingdom
 
       United Kingdom    
Richard Goodmanson
   Company Director   2 Eastbourne Terrace   United States of America
 
       London W2 6LG    
 
       United Kingdom    
Andrew Gould
   Chairman and Chief Executive   2 Eastbourne Terrace   United Kingdom
 
   Officer of Schlumberger Ltd.   London W2 6LG    
 
       United Kingdom    
Lord Kerr
   Company Director   2 Eastbourne Terrace   United Kingdom
 
       London W2 6LG    
 
       United Kingdom    
Paul Tellier
   Company Director   1188 Sherbrooke Street   Canada
 
       West, Montreal, Quebec    
 
       H3A 3G2, Canada    
 
            
Executive Officers
            
Hugo Bagué
   Group Executive,   2 Eastbourne Terrace   Belgium
 
   People and Organisations   London W2 6LG    
 
       United Kingdom    
Preston Chiaro
   Group Executive, Technology &   4700 Daybreak Parkway   United States of America
 
   Innovation   South Jordan, Utah 84095    
 
       United States    
Bret Clayton
   Group Executive, Business   2 Eastbourne Terrace   United States of America
 
   Support and Operations   London W2 6LG    
 
       United Kingdom    

 

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Name   Present Principal Occupation   Business Address   Citizenship
Jacynthe Coté
   Chief Executive of Rio Tinto   2 Eastbourne Terrace   Canada
 
   Alcan   London W2 6LG    
 
       United Kingdom    
Andrew Harding
   Chief Executive of Rio Tinto   2 Eastbourne Terrace   Australia
 
   Copper   London W2 6LG    
 
       United Kingdom    
Harry Kenyon-Slaney
   Chief Executive of Rio Tinto   2 Eastbourne Terrace   United Kingdom
 
   Diamonds & Minerals   London W2 6LG    
 
       United Kingdom    
Doug Ritchie
   Chief Executive of Rio Tinto   3 West Tower   Australia
 
   Energy   410 Ann Street    
 
       Brisbane, QLD 4000    
 
       Australia    
Debra Valentine
   Group Executive, Legal and   2 Eastbourne Terrace   United States of America
 
   External Affairs   London W2 6LG    
 
       United Kingdom    
Sam Walsh
   Chief Executive of the Iron   2 Eastbourne Terrace   United Kingdom
 
   Ore Group   London W2 6LG    
 
       United Kingdom    

 

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Rio Tinto International Holdings Limited
Directors and Executive Officers
             
Name   Present Principal Occupation   Business Address   Citizenship
Directors
            
Dan Larsen
   Director   2 Eastbourne Terrace   United States of America
 
       London W2 6LG    
 
       United Kingdom    
Ulf Quellmann
   Director   2 Eastbourne Terrace   Germany
 
       London W2 6LG    
 
       United Kingdom    
Ben Mathews
   Director   2 Eastbourne Terrace   United Kingdom
 
       London W2 6LG    
 
       United Kingdom    
 
            
Executive Officers
            
Matthew Whyte
   Secretary   2 Eastbourne Terrace   United Kingdom
 
       London W2 6LG    
 
       United Kingdom    

 

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EXHIBIT INDEX
     
Exhibit No.   Description
A
  Joint Filing Agreement between Rio Tinto plc and Rio Tinto International Holdings Limited