Document:

<PAGE>
                                                                   Exhibit 10.36

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                        COPPER MINES OF TASMANIA PTY LTD
                                ACN 065 339 835
                           (ADMINISTRATOR APPOINTED)

                        MT LYELL MINING COMPANY LIMITED
                                ACN 000 690 308
                                (IN LIQUIDATION)

                                CITIBANK LIMITED
                                ACN 004 325 080

                                  CITIBANK NA
                                ARBN 072 814 058

                                 SPECIALTY DEED

                                HENRY DAVIS YORK
                                    Lawyers
                                    Level 25
                                135 King Street
                                Sydney NSW 2000
                              Tel: (02) 9364 6300
                              Fax: (02) 9235 1244
                                 DX: 173 Sydney
                              Ref: SAM/AJM/990095

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<PAGE>
                                 SPECIALTY DEED

THIS DEED is made the 1st day of April 1999

PARTIES

COPPER MINES OF TASMANIA PTY LTD ACN 065 339 835 (administrator appointed) of
c/- KPMG, 45 Clarence Street, Sydney NSW 2000 ("CMT")

MT LYELL MINING COMPANY LIMITED ACN 000 690 308 (in liquidation) of c/- KPMG,
45 Clarence Street, Sydney NSW 2000 ("MLMC")

CITIBANK LIMITED ACN 004 325 080 and CITIBANK NA ARBN 072 814 058 of 1 Margaret
Street, Sydney, New South Wales, Australia (together "CITIBANK")

RECITALS

A.   CMT is indebted to MLMC ("MLMC DEBT").

B.   MLMC has requested that CMT enter into this deed to further evidence the
     MLMC Debt and to make provision for repayment of the MLMC Debt.

C.   CMT, MLMC and ten other companies are jointly and severally indebted to
     Citibank ("CITIBANK DEBT").

D.   Citibank has requested that CMT enter into this deed to further evidence
     the Citibank Debt and to make provision for repayment of the Citibank Debt.

OPERATIVE PART

1.   DEFINITION

     "DEED OF VARIATION" means the deed of variation between Citibank, CMT,
     MLMC, Monte Cello BV and Monte Cello Corporation NV dated on or about the
     date of this deed.

     "RESTRUCTURE AGREEMENT" means the Debt Restructure and Facility Agreement
     between the Borrowing Group (as defined in the Deed of Variation) and
     Citibank dated 3 March 1998 as supplemented by the Restructure and Interim
     Funding Agreement made between the Borrowing Group and Citibank on or about
     25 or 26 May 1998).

2.   MLMC DEBT

     2.1  CMT hereby acknowledges that it is indebted to MLMC.

     2.2  CMT and MLMC each acknowledge and agree that, on execution of this
          Deed, all of the terms and conditions of the MLMC Debt are merged into
          this deed and, to the extent of any inconsistency between those terms
          and conditions and the provisions of this deed, the provisions of this
          deed prevail.

     2.3  CMT hereby covenants to MLMC to pay the amount of the MLMC Debt.
<PAGE>
                                     - 2 -

     2.4  Unless agreed otherwise between MLMC and CMT, the MLMC Debt is
          repayable on demand by cheque delivered to a place designated by MLMC,
          being a place in New South Wales.

3.   CITIBANK DEBT

     3.1  CMT and Citibank each acknowledge and agree that, on execution of this
          deed, all the terms and conditions of the Residual Citibank Debt as
          between each of them only are merged into this deed and, to the extent
          of any inconsistency between those terms and conditions and the
          provisions of this deed, the provisions of this deed prevail.

     3.2  Unless otherwise agreed between Citibank and CMT, the Citibank Debt is
          payable:

          3.2.1  as to that part of the Citibank Debt represented or to be
                 represented by obligations which are, or are to be, contained
                 in or connected with the Deed of Variation or the Continuing
                 Securities or the Share Sale Agreement (as those terms are
                 defined in the Deed of Variation) ("RETAINED CITIBANK DEBT")
                 in accordance with those documents; and

          3.2.2  as to the remainder of the Citibank Debt ("RESIDUAL CITIBANK
                 DEBT") on demand by cheque delivered to a place designated by
                 Citibank being a place in New South Wales.

4.   AVOIDANCE OF DOUBLE-COUNTING

     4.1  The parties acknowledge and agree:

          4.1.1  that to the extent that any prepayment or repayment of an
                 amount of the Citibank Debt is made at any time and from time
                 to time, then the MLMC Debt will be reduced by a corresponding
                 amount;

          4.1.2  that to the extent that any prepayment or repayment of an
                 amount of the MLMC Debt is made at any time and from time to
                 time, then the Residual Citibank Debt (but not the Retained
                 Citibank Debt) will be reduced by a corresponding amount; and

          4.1.3  that none of them will make any claim against any other of them
                 in respect of any reduction of the MLMC Debt and the Residual
                 Citibank Debt which is referred to in clause 4.1.1 and 4.1.2.

5.   GENERAL

     5.1  Despite any provision of any agreement, arrangement, deed or
          instrument, the parties acknowledge and agree that:

          5.1.1  this deed is not a "Transaction Document" (as defined in the
                 Restructure Agreement) for the purposes of each of the
<PAGE>
                                     - 3 -

                 "Transaction Documents" (as defined in the Restructure
                 Agreement); and

     5.1.2       no act, matter or thing is to be done in Western Australia
                 in relation to or affecting the MLMC Debt or the Citibank Debt.

5.2  Any provision of this deed which is illegal, void or unenforceable
     is to be ineffective to the extent only of that illegality, voidness or
     unenforceability without invalidating the remaining provisions of this
     deed.

5.3  This deed is governed by the laws of New South Wales and CMT, Citibank
     and MLMC agree to submit to the exclusive jurisdiction of the courts in
     that State.

EXECUTED as a deed.

SIGNED SEALED & DELIVERED for           )
and on behalf of COPPER MINES OF        )
TASMANIA PTY LTD by its                 )
administrator Mr A R M Macintosh        )
in the presence of:                     )

/s/ Alexander Mufford                        /s/ A R M Macintosh
--------------------------------             ---------------------------------
Witness                                      A R M Macintosh
                                             Administrator
Alexander Mufford
--------------------------------
Print Name

SIGNED SEALED & DELIVERED for           )
and on behalf of MT LYELL MINING        )
COMPANY LIMITED by its liquidator       )
Mr A R M Macintosh in the presence      )
of:                                     )

/s/ Alexander Mufford                        /s/ A R M Macintosh
---------------------------------            ---------------------------------
Witness                                      A R M Macintosh
                                             Liquidator
Alexander Mufford
---------------------------------
Print Name
<PAGE>
                                     - 4 -

SIGNED SEALED AND DELIVERED
for and on behalf of CITIBANK         )
LIMITED by                            )
its duly constituted Attorney under   ) /s/ Konstanty Nafranowicz
Power of Attorney registered in the   ) ----------------------------------------
office of the Registrar General No.   ) By signing the Attorney states that
Book      (NSW) who is personally     ) s/he has no notice of the revocation of
known to me:                          ) the power of attorney
                                      )
       /s/ S. Parsons
-----------------------------
Witness

         S. PARSONS
-----------------------------
Print Name

SIGNED SEALED AND DELIVERED           )
for and on behalf of CITIBANK NA      )
by                                    ) /s/ Thomas E. O'Callaghan
its duly constituted Attorney under   ) ----------------------------------------
Power of Attorney registered in the   ) By signing the Attorney states that
office of the Registrar General No    ) s/he has no notice of the revocation of
Book                 (NSW) who is     ) the power of attorney
personally known to me:               )

       /s/ S. Parsons
-----------------------------
Witness

         S. PARSONS
-----------------------------
Print Name<PAGE>
                                                                   Exhibit 10.37

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                           MONTE CELLO CORPORATION NV

                                CITIBANK LIMITED
                                ACN 004 325 080

                                  CITIBANK NA
                                ARBN 072 814 058

                            SUBORDINATION DEED POLL

                                HENRY DAVIS YORK
                                    Lawyers
                                    Level 25
                                135 King Street
                                Sydney NSW 2000
                              Tel: (02) 9364 6300
                              Fax: (02) 9235 1244
                                 DX: 173 Sydney
                              Ref: RJT/SAM/990095

================================================================================
<PAGE>
                            SUBORDINATION DEED POLL

THIS DEED POLL dated 1st day of April 1999

BY: MONTE CELLO CORPORATION NV of Kaya Flamboyan 3c, Curacao, Netherlands
    Antilles ("SUBORDINATED CREDITOR")

    CITIBANK LIMITED ACN 004 325 080 and CITIBANK NA ARBN 072 814 058 of 1
    Margaret Street, Sydney, New South Wales, Australia (together "CITIBANK")

IT IS DECLARED by the Subordinated Creditor in favour of each Creditor
(including Citibank) and the Debtor as follows:

1.   DEFINITIONS AND INTERPRETATION

     1.1  In this deed poll, unless the contrary intention appears:

          "BUSINESS DAY" means a day, not being a Saturday, Sunday or public
          holiday, on which banks are open for general banking business in
          Sydney, New South Wales and Queenstown, Tasmania.

          "CREDITOR" means the Debtor's creditors (whether present or future,
          secured or unsecured) to whom a Senior Debt (whether now existing or
          not) is payable.

          "DEBTOR" means Copper Mines of Tasmania Pty Limited ACN 065 339 835
          (Administrator Appointed).

          "GUARANTEE" means a guarantee, indemnity, letter of comfort, letter
          of credit, performance bond, put option arrangement, any similar
          transaction or a combination of any of them.

          "GOVERNMENTAL AGENCY" means the Crown, any government, any
          governmental ministry or department, governmental, semi-governmental,
          statutory, administrative, parliamentary, provincial, public,
          municipal, local or judicial entity, agency, instrumentality or
          authority.

          "MAJORITY OF CREDITORS" means, at any time:

          (a)  in the case where there is one or more Secured Creditors, all
               Secured Creditors at that time; or

          (b)  in the case where there is not any Secured Creditor, the
               Creditors whose Senior Debts at that time are more than 50% of
               all Senior Debts at that time.

          "SECURED CREDITOR" means any Creditor (other than the Crown in right
          of the State of Tasmania) that holds a Security Interest over all or
          substantially all of the Debtor's assets. It is acknowledged that, as
          at the date of this deed poll, the only Secured Creditor is Citibank.

<PAGE>
                                     - 2 -

"SECURITY INTEREST" means any charge, mortgage, pledge, bill of sale,
hypothecation, lien, arrangement concerning the deposit of documents evidencing
title, trust or power, title retention arrangement or any other covenant or
arrangement of any nature made to secure the payment of money or the performance
or observance of any obligation or under which a creditor is entitled to claim
that it has a right to receive payment, or to have any obligation owed to it
satisfied, in priority to any other creditor.

"SENIOR DEBT" means any debt or claim (other than the Subordinated Debt) which
would be admissible to proof in any winding up of the Debtor and no other
claims.

"SUBORDINATED DEBT" means:

(a)  the debt assigned in the Deed of Assignment of Debt dated on or about the
     date of this deed poll between Mt Lyell Mining Company Limited ACN 000 690
     308 (in liquidation) and the Subordinated Creditor; and

(b)  the debt assigned in the Deed of Assignment of Debt dated on or about the
     date of this deed poll between Citibank Limited ACN 004 325 080, Citibank
     NA ARBN 072 814 058 and the Subordinated Creditor,

and includes all other amounts payable by the Debtor in connection with each
such debt but does not include any other debt, liability or obligation of the
Debtor to the Subordinated Creditor, howsoever arising.

"SURPLUS CASH" means, at any time, the amount which, after having paid or
reimbursed all amounts due and unpaid (other than in accordance with agreed
payment terms) at that time to all Creditors, is or would be available at that
time to the Debtor to make any payment of principal or interest in respect of
the Subordinated Debt, to the extent only that any such payment, if made:

(a)  would not cause or result in the Debtor being or being presumed by law or a
     court to be insolvent; and

(b)  would not be likely to cause or result in the Debtor being unable to pay
     any amount which is or will become due and payable to any Creditors after
     that time.

"TERMINATION DATE" means the date being the earlier of:

(a)  the date on which the Subordinated Creditor is discharged and released from
     this deed poll by a Majority of Creditors; or
<PAGE>
                                     - 3 -

          (b)    the date agreed between the Debtor and the Subordinated
                 Creditor, which date cannot be before the date on which the
                 Senior Debt owing to Citibank is fully and finally repaid.

     1.2  In this deed poll, unless the contrary intention appears:

          1.2.1  a reference to this deed poll or any other document includes
                 any variation or replacement of it;

          1.2.2  a reference to any legislation includes regulations and other
                 instruments under it and all consolidations, amendments,
                 re-enactments and replacements of it;

          1.2.3  the singular includes the plural number and vice versa;

          1.2.4  a reference to any one gender includes each other gender (as
                 the case may require);

          1.2.5  the word "person" includes a firm, corporation, body corporate,
                 unincorporated association or Governmental Agency;

          1.2.6  a reference to a person includes a reference to the person's
                 executors, administrators, legal personal representatives,
                 successors and assigns;

          1.2.7  a reference to anything (including the Senior Debt or the
                 Subordinated Debt) is a reference to the whole or any part of
                 it and a reference to a group of persons or things is a
                 reference to each of them individually and any two or more of
                 them collectively;

          1.2.8  a reference to a right includes a benefit, interest, power,
                 remedy, privilege and cause of action however arising; and

          1.2.9  a reference to "includes" or "including" means "includes,
                 without limitation," or "including, without limitation,"
                 respectively.

     1.3  All headings in this deed poll have been inserted for the purpose of
          ease of reference only. They do not affect the meaning or
          interpretation of it.

     1.4  Where a word or phrase is defined its other grammatical forms have a
          corresponding meaning.

2.   SUBORDINATION

     2.1  The Subordinated Debt is subordinated to the Senior Debt in the manner
          set out in this deed poll until the Termination Date.

     2.2  The Subordinated Creditor acknowledges that no amount is payable in
          respect of the Subordinated Debt (including by way of principal,
          interest, fees or other amounts) from time to time except:
<PAGE>
                                     - 4 -

     2.2.1 to the extent of any Surplus Cash at the proposed time of payment of
           that amount; and

     2.2.2 if there is any Secured Creditor, either:

           (a)  with the consent of each Secured Creditor (which consent may not
                be unreasonably withheld or delayed); or

           (b)  each of the following has occurred:

                (i)   each Secured Creditor has received at least 10 Business
                      Days before the proposed time of payment of that amount a
                      certificate referred to in clause 2.4 and addressed to it
                      and in form and substance reasonably acceptable to it;

                (ii)  there is no manifest error on the face of the certificate
                      referred to in clause 2.2.2(b)(i); and

                (iii) each Secured Creditor has received such further
                      information as it reasonably requests to verify the amount
                      of Surplus Cash at the proposed time of payment.

2.3  For the purposes of determining the Surplus Cash (including for the
     purposes of determining the Surplus Cash to apply for the purposes of this
     clause 2) any principal, interest, fee or other amount payable in respect
     of the Subordinated Debt is to be disregarded.

2.4  A certificate signed by 2 directors or a director and secretary of the
     Debtor is conclusive evidence, in the absence of manifest error, as to the
     amount of Surplus Cash at any time.

2.5  Nothing in this deed poll creates a Security Interest over any asset of the
     Subordinated Creditor.

2.6  If the Subordinated Creditor receives or recovers payment of any amount of
     the Subordinated Debt or any interest, fees or other amounts in connection
     with the Subordinated Debt before the Termination Date and that receipt or
     recovery is not permitted by clause 2.2, it must promptly repay to the
     Debtor an amount equal to the amount received or recovered.

2.7  If the amount of the Subordinated Debt is reduced by any set-off, deduction
     or combination of accounts or similar right or procedure and that reduction
     is not expressly permitted by clause 2.2, it must promptly pay to the
     Debtor an amount equal to the amount by which the Subordinated Debt was so
     reduced.
<PAGE>
                                     - 5 -

3.   RESTRICTIONS ON ACTION

     3.1  Subject to clause 3.2, without the prior consent of a Majority of
          Creditors the Subordinated Creditor may not until the Termination
          Date:

          3.1.1  make any demand for or accept repayment or payment of the
                 Subordinated Debt (or any interest, fees or other amounts in
                 connection with the Subordinated Debt) either under the
                 Corporations Law or otherwise or accelerate or cancel any
                 obligation or exercise any other rights under a document
                 relating to the Subordinated Debt;

          3.1.2  take any step to:

                 (a) enforce any Guarantee or Security Interest held by it in
                     relation to the Subordinated Debt;

                 (b) exercise any right of set-off, deduction or combination of
                     accounts or similar right or procedure in relation to the
                     Subordinated Debt;

          3.1.3  take any step for the purpose of or towards:

                 (a) levying any execution or obtaining any judgment against
                     the Debtor in respect of the Subordinated Debt; or

                 (b) the appointment of a liquidator, administrator, receiver or
                     receiver and manager to or over the Debtor or any of its
                     assets where that appointment would be made in respect of
                     the Subordinated Debt;

          3.1.4  amend, novate, replace or rescind any document giving rise to
                 the Debtor's obligations in connection with the Subordinated
                 Debt;

          3.1.5  require the provision of, and if held or provided immediately
                 discharge or release, any Guarantee or Security Interest in
                 respect of the Subordinated Debt; or

          3.1.6  assign or transfer or create or allow to exist a Security
                 Interest over any of its rights in or to the Subordinated Debt
                 to or in favour of any person without the prior written consent
                 of Citibank (such consent not to be unreasonably withheld or
                 delayed if that person has first executed a deed poll in or
                 substantially in the form of this deed poll).

     3.2  Clause 3.1 does not prevent the Subordinated Creditor from taking any
          one or more of the following courses of action:

          3.2.1  making any payment or repayment of the Subordinated Debt (or
                 any interest, fees or other amounts in connection with the
                 Subordinated Debt) permitted by clause 2.2;
<PAGE>
                                     - 6 -

          3.2.2  applying for or obtaining an injunction against the Debtor to
                 prevent the Debtor from breaching its obligation to pay amounts
                 due and payable under the Subordinated Debt which are permitted
                 by the terms of the Subordinated Debt and this deed poll to be
                 paid to the Subordinated Creditor;

          3.2.3  applying for or obtaining a mandatory injunction requiring the
                 Debtor to perform the obligations referred to in clause 3.2.1
                 or 3.2.2;

          3.2.4  making an application for and obtaining an award of damages
                 against the Debtor for breach of any of the obligations of the
                 Debtor referred to in clause 3.2.1 or 3.2.2 or agreeing to
                 settle a claim for those damages (provided that any payment of
                 damages is subordinated to the Senior Debt in accordance with
                 this deed poll); or

          3.2.5  with the consent of a Majority of Creditors proving in any
                 liquidation or winding up of the Debtor.

4.   PRESERVATION OF CREDITORS' RIGHTS

     4.1  The rights of a Creditor to enforce any provision of this deed poll
          are not affected by:

          4.1.1  any conduct of the Debtor or any other person;

          4.1.2  any failure by any party to comply with any term of any
                 document giving rise to the Debtor's obligations in connection
                 with the Subordinated Debt;

          4.1.3  any knowledge in relation to the Subordinated Debt that any
                 Creditor may have or be charged with;

          4.1.4  any conduct in relation to the enforcement or failure to
                 enforce any document giving rise to the Debtor's obligations in
                 connection with the Subordinated Debt;

          4.1.5  the giving of any discharge, amendment, variation, consent or
                 waiver other than a discharge of Senior Debt by the Creditors;
                 or

          4.1.6  any other thing which but for this clause may have that effect.

     This clause does not apply to any waiver or consent granted to the
     Subordinated Creditor by a Majority of Creditors.

5.   REPRESENTATIONS AND WARRANTIES

     The Subordinated Creditor represents and warrants to each Creditor that:
<PAGE>
                                     - 7 -

     5.1  it is a corporation validly existing under the laws of its place of
          incorporation and has in full force and effect all authorisations
          necessary to enter into and comply with its obligations under this
          deed poll;

     5.2  it has the corporate power to enter into and comply with its
          obligations under this deed poll and to carry out the transactions
          that this deed poll contemplates will be carried out by it; and

     5.3  the obligations expressed to be assumed by it under this deed poll are
          legal and valid obligations binding on it in accordance with their
          terms, subject to any necessary stamping and registration.

6.   STAMP DUTY

     The Subordinated Creditor agrees to pay or, to the extent already paid by
     the relevant Creditor, reimburse any relevant Creditor on demand for all
     stamp, transaction, registration and similar taxes (other than any tax on
     the overall net income of a person) and duties (including fines and
     penalties) on this deed poll or the transactions referred to in it.

7.  GENERAL

    7.1   The rights provided in this deed poll are cumulative and do not
          exclude any other rights. A Creditor may exercise or not exercise its
          rights (which include the making or not making of any determination)
          at any time and from time to time as it sees fit in its absolute
          discretion and it is not required to give any reasons for its
          decision.

     7.2  Any waiver or consent by the Majority of Creditors binds each Creditor
          and, if there is any Secured Creditor, is effective only if it is in
          writing signed by or on behalf of each Secured Creditor. Any such
          waiver or consent is effective only to the extent expressly stated
          and in the specific instance and for the specific purpose for which it
          is given.

     7.3  This deed poll may only be amended by deed made between the
          Subordinated Creditor and each Secured Creditor or, if there is no
          Secured Creditor, by deed poll executed by the Subordinated Creditor
          with the consent of the Majority of Creditors.

     7.4  No failure on the part of a Creditor to exercise, or delay on its part
          in exercising, any of its rights operates as a waiver of them. Any
          single or partial exercise of any right does not preclude any further
          or other exercise of that right or the exercise of any other rights.

     7.5  Unless this deed poll expressly provides otherwise, a Creditor may
          give conditionally or unconditionally or withhold its approval or
          consent in its absolute discretion.

     7.6  If any part of this deed poll is, is declared or becomes for any
          reason invalid or unenforceable, the validity of the remaining part is
          not to be
<PAGE>
                                     - 8 -

          affected and the remaining part is to remain in full force and effect
          as if the deed poll had been executed without the invalid part.

     7.7  The contents of this deed poll, its meaning and interpretation are to
          be governed by the laws of New South Wales. The Subordinated Creditor
          submits to the non-exclusive jurisdiction of the courts of that place.

EXECUTED as a deed poll in Sydney.

SIGNED SEALED AND DELIVERED           )
for and on behalf of MONTE CELLO      )             /s/ Robert Tracy
CORPORATION NV by                     ) ----------------------------------------
ROBERT TRACY                          ) By signing the Attorney states that
its duly constituted Attorney under   ) s/he has no notice of the revocation of
Power of Attorney dated               ) the power of attorney
who is personally known to me:        )

/s/ Alexander Mufford
-----------------------------
Witness

Alexander Mufford
-----------------------------
Print Name

SIGNED SEALED AND DELIVERED           )
for and on behalf of CITIBANK NA      )
by                                    )         /s/ Thomas E. O'Callaghan
its duly constituted Attorney under   ) ----------------------------------------
Power of Attorney registered in the   ) By signing the Attorney states that
office of the Registrar General No    ) s/he has no notice of the revocation of
Book                 (NSW) who is     ) the power of attorney
personally known to me:               )

/s/ S. Parsons
-----------------------------
Witness

S. PARSONS
-----------------------------
Print Name

SIGNED SEALED AND DELIVERED
for and on behalf of CITIBANK         )
LIMITED by                            )
its duly constituted Attorney under   )        /s/ Konstanty Nafranowicz
Power of Attorney registered in the   ) ----------------------------------------
office of the Registrar General No    ) By signing the Attorney states that
Book      (NSW) who is personally     ) s/he has no notice of the revocation of
known to me:                          ) the power of attorney
                                      )
/s/ S. Parsons
-----------------------------
S. PARSONS

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