UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 3)*

                            APEX SILVER MINES LIMITED
                            -------------------------
                                (Name of Issuer)

                     Common Stock, $0.01 Par Value Per Share
                     ---------------------------------------
                         (Title of Class of Securities)

                                    G04074103
                                    ---------
                                 (CUSIP Number)

                                December 31, 2003
                                -----------------
                      (Date of Event which Requires Filing
                               of this Statement)

Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

                                [ ] Rule 13d-1(b)
                                [ ] Rule 13d-1(c)
                                [X] Rule 13d-1(d)


*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 the
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).

                          Continued on following pages
                               Page 1 of 16 Pages
                             Exhibit Index: Page 13



                                  SCHEDULE 13G
CUSIP No. G04074103                                           Page 2 of 16 Pages

1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  QUANTUM INDUSTRIAL PARTNERS LDC

2        Check the Appropriate Box If a Member of a Group (See Instructions)

                                        a. [ ]
                                        b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                  CAYMAN ISLANDS

                            5             Sole Voting Power
Number of                                          2,358,221
 Shares
Beneficially                6             Shared Voting Power
 Owned By                                          0
  Each
Reporting                   7             Sole Dispositive Power
 Person                                            2,358,221
  With
                            8             Shared Dispositive Power
                                                   0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                    2,358,221

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                                    [X]

11       Percent of Class Represented By Amount in Row (9)

                                    5.2%

12       Type of Reporting Person (See Instructions)

                                    OO; IV



                                  SCHEDULE 13G
CUSIP No. G04074103                                           Page 3 of 16 Pages

1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  QIH MANAGEMENT INVESTOR, L.P.

2        Check the Appropriate Box If a Member of a Group (See Instructions)

                                        a. [ ]
                                        b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                  DELAWARE

                            5             Sole Voting Power
Number of                                          2,358,221
 Shares
Beneficially                6             Shared Voting Power
 Owned By                                          0
  Each
Reporting                   7             Sole Dispositive Power
 Person                                            2,358,221
  With
                            8             Shared Dispositive Power
                                                   0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                    2,358,221

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                                    [X]

11       Percent of Class Represented By Amount in Row (9)

                                    5.2%

12       Type of Reporting Person (See Instructions)

                                    PN; IA



                                  SCHEDULE 13G
CUSIP No. G04074103                                           Page 4 of 16 Pages

1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  QIH MANAGEMENT LLC

2        Check the Appropriate Box If a Member of a Group (See Instructions)

                                        a. [ ]
                                        b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                  DELAWARE

                            5             Sole Voting Power
Number of                                          2,358,221
 Shares
Beneficially                6             Shared Voting Power
 Owned By                                          0
  Each
Reporting                   7             Sole Dispositive Power
 Person                                            2,358,221
  With
                            8             Shared Dispositive Power
                                                   0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                    2,358,221

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                                    [X]

11       Percent of Class Represented By Amount in Row (9)

                                    5.2%

12       Type of Reporting Person (See Instructions)

                                    OO




                                  SCHEDULE 13G
CUSIP No. G04074103                                           Page 5 of 16 Pages

1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  SOROS FUND MANAGEMENT LLC

2        Check the Appropriate Box If a Member of a Group (See Instructions)

                                        a. [ ]
                                        b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                  DELAWARE

                            5             Sole Voting Power
Number of                                          2,358,221
 Shares
Beneficially                6             Shared Voting Power
 Owned By                                          0
  Each
Reporting                   7             Sole Dispositive Power
 Person                                            2,358,221
  With
                            8             Shared Dispositive Power
                                                   0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                    2,358,221

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                                    [X]

11       Percent of Class Represented By Amount in Row (9)

                                    5.2%

12       Type of Reporting Person (See Instructions)

                                    OO; IA



                                  SCHEDULE 13G
CUSIP No. G04074103                                           Page 6 of 16 Pages

1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  GEORGE SOROS (in the capacity described herein)

2        Check the Appropriate Box If a Member of a Group (See Instructions)

                                        a. [ ]
                                        b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                  UNITED STATES

                            5             Sole Voting Power
Number of                                          3,457,823
 Shares
Beneficially                6             Shared Voting Power
 Owned By                                          0
  Each
Reporting                   7             Sole Dispositive Power
 Person                                            3,457,823
  With
                            8             Shared Dispositive Power
                                                    0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                    3,457,823

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                                    [  ]

11       Percent of Class Represented By Amount in Row (9)

                                    7.7%

12       Type of Reporting Person (See Instructions)

                                    IA



                                  SCHEDULE 13G
CUSIP No. G04074103                                           Page 7 of 16 Pages

1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  GEOSOR CORPORATION

2        Check the Appropriate Box If a Member of a Group (See Instructions)

                                        a. [ ]
                                        b. [X]

3        SEC Use Only

4        Citizenship or Place of Organization

                  NEW YORK

                            5             Sole Voting Power
Number of                                          707,466
 Shares
Beneficially                6             Shared Voting Power
 Owned By                                          0
  Each
Reporting                   7             Sole Dispositive Power
 Person                                            707,466
  With
                            8             Shared Dispositive Power
                                                   0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                    707,466

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                                    [X]

11       Percent of Class Represented By Amount in Row (9)

                                    1.6%

12       Type of Reporting Person (See Instructions)

                                    CO




                                                              Page 8 of 16 Pages

Item 1(a)         Name of Issuer:

                  Apex Silver Mines Limited (the "Issuer")

Item 1(b)         Address of the Issuer's Principal Executive Offices:

                  Walker House, Mary Street,  Georgetown,  Grand Cayman,  Cayman
Islands, British West Indies.

Item 2(a)         Name of Person Filing:

                  The  Statement  is filed on  behalf  of each of the  following
persons (collectively, the "Reporting Persons"):

                  i) Quantum Industrial Partners LDC ("QIP");

                  ii) QIH Management Investor, L.P. ("QIHMI");

                  iii) QIH Management LLC ("QIH Management");

                  iv) Soros Fund Management LLC ("SFM LLC"); and

                  v) Mr. George Soros ("Mr. Soros"); and

                  vi) Geosor Corporation ("Geosor").

                  This Statement  relates to Shares (as defined herein) held for
the accounts of QIP, Geosor and EMOF LLC, a Delaware limited  liability  company
("EMOF").

                  QIHMI, an investment  advisory firm, is vested with investment
discretion over the Shares held for the account of QIP. The sole general partner
of  QIHMI  is QIH  Management.  SFM  LLC  is the  sole  managing  member  of QIH
Management.  Mr.  Soros  is the  Chairman  of SFM  LLC.  Mr.  Soros  is the sole
shareholder of Geosor.

                  The  sole  managing  member  of EMOF is EMOF  Manager  LLC,  a
Delaware limited liability  company ("EMOF Manager"),  of which Mr. Soros is the
managing  member.  In such capacity,  Mr. Soros may be deemed to have voting and
dispositive power over the Shares held for the account of EMOF.

Item 2(b)         Address of Principal Business Office or, if None, Residence:

                  The address of the principal business office of each of QIHMI,
QIH Management, SFM LLC, Geosor and Mr. Soros is 888 Seventh Avenue, 33rd Floor,
New York, New York 10106. The address of the principal business office of QIP is
Kaya Flamboyan 9, Willemstad, Curacao, Netherlands Antilles.




                                                              Page 9 of 16 Pages

Item 2(c)         Citizenship:

                  i) QIP is a Cayman Islands exempted limited duration company;

                  ii) QIHMI is a Delaware limited partnership;

                  iii) QIH Management is a Delaware limited liability company;

                  iv) SFM LLC is a Delaware limited liability company;

                  v) Mr. Soros is a United States citizen; and

                  vi) Geosor is a New York corporation.

Item 2(d)         Title of Class of Securities:

                  Common Stock, $0.01 par value per share (the "Shares").

Item 2(e)         CUSIP Number:

                  G04074103

Item 3.           If  this  statement  is  filed  pursuant  to Rule 13d-1(b), or
                  13d-2(b)  or  (c),  check  whether  the  person  filing  is a:

                  This Item 3 is not applicable.

Item 4.           Ownership:

Item 4(a)         Amount Beneficially Owned:

                  As of December 31, 2003, each of the Reporting  Persons may be
deemed the beneficial owner of the following number of Shares:

                  (i)      Each of QIP, QIHMI, QIH Management and SFM LLC may be
                           deemed the  beneficial o wner of the 2,358,221 Shares
                           held for the account of QIP.

                  (ii)     Mr.  Soros  may  be  deemed  the  beneficial owner of
                           3,457,823 Shares.  This number includes (A) 2,358,221
                           Shares  held  for  the  account  of  QIP, (B) 707,466
                           Shares held for the account of Geosor and (C) 392,136
                           Shares held for the account of EMOF.

                  (iii)    Geosor may be  deemed the beneficial owner of 707,466
                           Shares held for its account.

Item 4(b)         Percent of Class:

                  (i)      The number of Shares of which each of QIP, QIHMI, QIH
                           Management  and  SFM  LLC  may  be  deemed  to be the
                           beneficial  owner constitutes  approximately 5.2% of
                           the total  number of  Shares outstanding  (based upon


                                                             Page 10 of 16 Pages

                           information provided by the Issuer in its most recent
                           prospective  supplement  filed  on February 13, 2004,
                           the  number  of Shares outstanding as of February 11,
                           2004 was 45,030,010).

                  (ii)     The number of Shares of which Mr. Soros may be deemed
                           to be the beneficial owner constitutes  approximately
                           7.7%  of  the  total  number  of Shares outstanding.

                  (iii)    The number of Shares of which Geosor may be deemed to
                           be  the  beneficial owner  constitutes  approximately
                           1.6%  of the  total  number  of  Shares outstanding.

Item 4(c)         Number of shares as to which such person has:

QIP, QIHMI, QIH Management and SFM LLC
--------------------------------------

(i)      Sole power to vote or to direct the vote:                     2,358,221

(ii)     Shared power to vote or to direct the vote:                           0

(iii)    Sole power to dispose or to direct the disposition of:        2,358,221

(iv)     Shared power to dispose or to direct the disposition of:              0

Mr. Soros
---------

(i)      Sole power to vote or to direct the vote:                     3,457,823

(ii)     Shared power to vote or to direct the vote:                           0

(iii)    Sole power to dispose or to direct the disposition of:        3,457,823

(iv)     Shared power to dispose or to direct the disposition of:              0

Geosor
------

(i)      Sole power to vote or to direct the vote:                       707,466

(ii)     Shared power to vote or to direct the vote:                           0

(iii)    Sole power to dispose or to direct the disposition of:          707,466

(iv)     Shared power to dispose or to direct the disposition of:              0

Item 5.           Ownership of Five Percent or Less of a Class:

                  This Item 5 is not applicable.




                                                             Page 11 of 16 Pages

Item 6.           Ownership  of  More  than  Five  Percent  on Behalf of Another
                  Person:

                  (i) The  shareholders  of QIP,  including  Quantum  Industrial
Holdings Ltd., a British Virgin Islands international business company, have the
right to participate in the receipt of dividends from, or proceeds from the sale
of, the Shares held for the account of QIP in  accordance  with their  ownership
interests in QIP.

                  (ii) The members of EMOF have the right to  participate in the
receipt of dividends  from,  and proceeds  from the sale of, the Shares held for
the account of EMOF in accordance with their membership interests in EMOF.

Item 7.           Identification  and  Classification  of  the  Subsidiary Which
                  Acquired the Security  Being Reported on by the Parent Holding
                  Company:

                  This Item 7 is not applicable.

Item 8.           Identification and Classification of Members of the Group:

                  This Item 8 is not applicable.

Item 9.           Notice of Dissolution of Group:

                  This Item 9 is not applicable.

Item 10.          Certification:

                  This Item 10 is not applicable.





                                                             Page 12 of 16 Pages

                                   SIGNATURES


     After  reasonable  inquiry and to the best of my knowledge and belief,  the
undersigned  certifies that the information set forth in this statement is true,
complete and correct.

Date:  February 17, 2004               QUANTUM INDUSTRIAL PARTNERS LDC

                                       By:/s/ John F. Brown
                                          ---------------------------------
                                          John F. Brown
                                          Attorney-in-Fact

                                       QIH MANAGEMENT INVESTOR, L.P.

                                       By: QIH Management LLC,
                                           its General Partner

                                       By: Soros Fund Management LLC
                                           its Managing Member

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Assistant General Counsel

                                       QIH MANAGEMENT LLC

                                       By: Soros Fund Management LLC
                                           its Managing Member

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Assistant General Counsel

                                       SOROS FUND MANAGEMENT LLC

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Assistant General Counsel

                                       SFM DOMESTIC INVESTMENTS LLC

                                       By: George Soros
                                           Its Managing Member

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Attorney-in-Fact

                                       GEORGE SOROS

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Attorney-in-Fact

                                       GEOSOR CORPORATION

                                       By: George Soros
                                           Its Sole Shareholder

                                       By: /s/ John F. Brown
                                           ------------------------------------
                                           John F. Brown
                                           Attorney-in-Fact




                                                             Page 13 of 16 Pages

                                  EXHIBIT INDEX

                                                                        Page No.
H.   Joint Filing  Agreement  dated  February 17, 2004 by and among
     Quantum  Industrial  Partners  LDC, QIH  Management  Investor,
     L.P.,  QIH Management  LLC, Soros Fund  Management LLC, Mr.
     George Soros and Geosor Corporation............................          14

I.   Power of Attorney,  dated as of February 13, 2003,  granted by
     Quantum  Industrial  Partners LDC in favor of Armando T. Belly,
     John F. Brown, Jodye Anzalotta, Maryann Canfield, Abbas Zuaiter,
     Richard D. Holahan, Jr., and Robert Soros......................          15

J.   Power of Attorney,  dated as of October 30, 2002,  granted by
     Mr. George Soros in favor of Armando T. Belly, John F. Brown,
     Jodye Anzalotta, Maryann Canfield, Richard D. Holahan, and
     Robert Soros...................................................          16




                                                             Page 14 of 16 Pages

                                    EXHIBIT H

                             JOINT FILING AGREEMENT

         The  undersigned  hereby agree that the  statement on Schedule 13G with
respect to the Common  Stock of Apex Silver Mines  Limited  dated as of February
17, 2004 is, and any amendments thereto  (including  amendments on Schedule 13D)
signed by each of the  undersigned  shall be,  filed on behalf of us pursuant to
and in accordance  with the  provisions of Rule  13d-1(k)  under the  Securities
Exchange Act of 1934.

Date:  February 17, 2004               QUANTUM INDUSTRIAL PARTNERS LDC

                                       By:/s/ John F. Brown
                                          ---------------------------------
                                          John F. Brown
                                          Attorney-in-Fact

                                       QIH MANAGEMENT INVESTOR, L.P.

                                       By: QIH Management LLC,
                                           its General Partner

                                       By: George Soros
                                           its Sole Member

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Attorney-in-Fact

                                       QIH MANAGEMENT LLC

                                       By: George Soros
                                           its Sole Member

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Attorney-in-Fact

                                       SOROS FUND MANAGEMENT LLC

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Assistant Counsel

                                       SFM DOMESTIC INVESTMENTS LLC

                                       By: George Soros
                                           Its Managing Member

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Attorney-in-Fact

                                       GEORGE SOROS

                                       By:/s/ John F. Brown
                                          --------------------------
                                          John F. Brown
                                          Attorney-in-Fact

                                       GEOSOR CORPORATION

                                       By: George Soros
                                           Its Sole Shareholder

                                       By: /s/ John F. Brown
                                           ------------------------------------
                                           John F. Brown
                                           Attorney-in-Fact




                                                             Page 15 of 16 Pages

                                    EXHIBIT I

                         QUANTUM INDUSTRIAL PARTNERS LDC
                                POWER OF ATTORNEY


KNOW ALL MEN BY THESE PRESENT,  that the undersigned QUANTUM INDUSTRIAL PARTNERS
LDC (the "Company"), an exempted limited duration company existing and operating
under the laws of the Cayman Islands does, pursuant to a duly adopted resolution
of its Managing Director, hereby designate, constitute and appoint:

       ARMANDO T. BELLY, JOHN F. BROWN, JODYE ANZALOTTA, MARYANN CANFIELD,
            ABBAS ZUAITER, RICHARD D. HOLAHAN, JR., AND ROBERT SOROS

acting,  singly and not  jointly,  as its true and lawful  agent and attorney in
fact for the purpose of  executing  in its name,  all  documents,  certificates,
instruments,  statements,  filings and agreements ("documents") to be filed with
or  delivered  to any foreign or domestic  governmental  or  regulatory  body or
required or  requested  by any other  person or entity  pursuant to any legal or
regulatory  requirement  relating to the acquisition,  ownership,  management or
disposition of securities or other investments, and any other documents relating
or ancillary  thereto,  including but not limited to, all documents  relating to
filings with the United States  Securities and Exchange  Commission  (the "SEC")
pursuant to the Securities  Act of 1933 or the  Securities  Exchange Act of 1934
(the "Act") and the rules and regulations promulgated thereunder, including: (1)
all documents relating to the beneficial  ownership of securities required to be
filed  with  the SEC  pursuant  to  Section  13(d) or  Section  16(a) of the Act
including, without limitation: (a) any acquisition statements on Schedule 13D or
Schedule  13G and  any  amendments  thereto,  (b) any  joint  filing  agreements
pursuant to Rule 13d-1(k),  and (c) any initial  statements of, or statements of
changes in,  beneficial  ownership of securities on Form 3, Form 4 or Form 5 and
(2) any  information  statements  on Form 13F  required to be filed with the SEC
pursuant to Section 13(f) of the Act.

Each  attorney-in-fact  is hereby  authorized and empowered to perform all other
acts and deeds, which he or she in his or her sole discretion deems necessary or
appropriate  to carry out to the fullest  extent the terms and the intent of the
foregoing.  All  prior  acts  of each  attorney-in-fact  in  furtherance  of the
foregoing are hereby ratified and confirmed.

IN WITNESS  WHEREOF,  the Company has caused this  document to be executed  this
13th day of February, 2003.

                         QUANTUM INDUSTRIAL PARTNERS LDC


                         /s/ Curacao Corporation Company N.V.

                         ----------------------------------------
                         Curacao Corporation Company N.V.
                         Managing Director




                                                             Page 16 of 16 Pages

                                    EXHIBIT J

                                POWER OF ATTORNEY


KNOW ALL MEN BY THESE PRESENTS,  that I, GEORGE SOROS,  hereby make,  constitute
and appoint each of ARMANDO T. BELLY,  JODYE ANZALOTTA,  JOHN F. BROWN,  MARYANN
CANFIELD,  RICHARD D. HOLAHAN, JR. and ROBERT SOROS, acting individually,  as my
agent and  attorney-in-fact  for the purpose of executing in my name,  (a) in my
personal  capacity or (b) in my capacity as Chairman  of,  member of or in other
capacities with Soros Fund Management LLC ("SFM LLC") and each of its affiliates
or entities advised by me or SFM LLC, all documents, certificates,  instruments,
statements,  filings and agreements  ("documents") to be filed with or delivered
to any  foreign or  domestic  governmental  or  regulatory  body or  required or
requested  by any other  person or entity  pursuant  to any legal or  regulatory
requirement relating to the acquisition, ownership, management or disposition of
securities,  futures  contracts or other  investments,  and any other  documents
relating or  ancillary  thereto,  including  without  limitation  all  documents
relating to filings with the Commodities Futures Trading Commission and National
Futures  Association,  the United States Securities and Exchange Commission (the
"SEC") pursuant to the Securities Act of 1933 or the Securities  Exchange Act of
1934 (the "Act") and the rules and regulations promulgated thereunder, including
all documents relating to the beneficial  ownership of securities required to be
filed with the SEC pursuant to Section 13(d) or Section 16(a) of the Act and any
information statements on Form 13F required to be filed with the SEC pursuant to
Section 13(f) of the Act.

All past acts of the  attorneys-in-fact  in  furtherance  of the  foregoing  are
hereby ratified and confirmed.

Execution of this power of attorney revokes that certain Power of Attorney dated
as of the 15th day of January 2002 with  respect to the same  matters  addressed
above.

This power of attorney shall be valid from the date hereof until revoked by me.

IN  WITNESS  WHEREOF,  I have  executed  this  instrument  as of the 30th day of
October, 2002.




                                        /s/ George Soros
                                        ----------------------------------------
                                        GEORGE SOROS