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                                                                    EXHIBIT 4.14

                              EMPLOYMENT AGREEMENT

      MEMORANDUM OF AGREEMENT made as of the 1st day of March, 2005.

BETWEEN:

            METALLICA MANAGEMENT INC., a corporation incorporated under the
            laws of the State of Colorado,

                  (hereinafter called the "Corporation")
                                                            OF THE FIRST PART,

                                     - AND -

            BRADLEY J. BLACKETOR, of the City of Lone Tree, in the State of
            Colorado,

                  (hereinafter called the "Executive")
                                                           OF THE SECOND PART,

                                     - AND -

            METALLICA RESOURCES INC., a corporation subsisting under the laws of
            Canada,

                  (hereinafter called "Metallica")
                                                            OF THE THIRD PART,

      WHEREAS the Executive commenced employment with the Corporation effective
April 7, 1997;

      AND WHEREAS the Executive and the Corporation have agreed that the ongoing
employment of the Executive shall be subject to the terms and conditions set
forth herein;

      AND WHEREAS the Corporation is a wholly-owned subsidiary of Metallica, and
pursuant to a management agreement between the Corporation and Metallica, the
Corporation provides certain managerial and administrative services to Metallica
and its other subsidiaries;

      NOW THEREFORE THIS AGREEMENT WITNESSESS that in consideration of the
mutual covenants contained herein, the parties hereto agree as follows:

1. The Corporation agrees to continue to employ the Executive as its
Vice-President, Chief Financial Officer and Secretary, and the Executive hereby
agrees to continue such employment. During the term hereof the Executive shall
also act as the Vice-President, Chief Financial Officer and Secretary of
Metallica, and shall hold such offices of other subsidiaries of Metallica as
shall be appropriate to the Executive's duties. In such capacities, the
Executive has and shall have responsibility for the establishment and management
of the Corporation's and Metallica's financial policies, and for overseeing all
of the Corporation's and Metallica's financial activities. The Executive shall
oversee Metallica's budgeting, forecasting and planning. The Executive shall
report to, and accept direction from, the Chief Executive Officer of the
Corporation.

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                                     - 2 -

2. The Executive agrees to perform such services and duties in relation to the
business and affairs of the Corporation or Metallica or any other company which
is for the time being the subsidiary of Metallica (all of which other companies
are hereinafter referred to as "the associated companies") as are contemplated
in section 1 hereof and as may from time to time be vested in or given to him by
the Board of Directors of the Corporation or Metallica and shall give the whole
of his time, abilities and attention to the business of the Corporation or the
associated companies and shall use his best endeavours to improve and extend the
same.

3. This Agreement shall continue to govern the employment of the Executive by
the Corporation until:

      (a)   the Executive terminates this Agreement for a reason other than Good
            Reason (as hereinafter defined) by not less than six months written
            notice to the Corporation; or

      (b)   the Executive terminates this Agreement for Good Reason, in which
            event the provisions of section 11 hereof shall apply; or

      (c)   the Corporation terminates the employment of the Executive for
            Manifest Cause (as hereinafter defined), in which event the
            provisions of section 10 hereof shall apply; or

      (d)   the Corporation terminates the employment of the Executive other
            than for Manifest Cause (as hereinafter defined), in which event the
            provisions of section 11 shall apply.

4. As remuneration for his services hereunder, the Corporation shall pay to the
Executive an annual salary by equal monthly installments in arrears. The annual
salary shall be:

      (a)   US$130,000 during the one year period commencing March 1, 2005;

      (b)   US$140,000 during the one year period commencing March 1, 2006; and

      (a)   US$150,000 during the one year period commencing March 1, 2007,

and thereafter reviewed annually by the Board of Directors of the Corporation.
The Executive will also be eligible for annual bonus to be determined by the
Board of Directors.

5. The Corporation shall reimburse the Executive for such traveling, hotel,
entertainment and other out-of-pocket expenses as he may from time to time
properly incur in or about the businesses of the Corporation or any of the
associated companies and as may be approved by the Board of Directors of the
Corporation.

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                                     - 3 -

6. The Executive shall be entitled to such other benefits and to such holidays
to be agreed upon by the Executive and the Corporation. These benefits and
holidays shall include, but not be limited to, eligibility in the Corporation's
401-k plan, health, dental, disability and life insurance at two times annual
salary. The Executive shall be entitled to four weeks of paid annual vacation.

7. The Executive shall be entitled to participate in the Corporation's stock
option plan to the extent and upon such terms as may be determined from time to
time by the Board of Directors of the Corporation. In addition, the Executive
shall be granted 50,000 Restricted Share Units pursuant to a Restricted Share
Unit Plan to be established by Metallica.

8. The Executive shall not at any time either during his employment by the
Corporation and/or thereafter attempt to induce any person to leave the
employment of the Corporation or any of the associated companies.

9. The Executive acknowledges that in the course of carrying out, performing and
fulfilling his duties of employment with the Corporation he has had and will
have access to and be entrusted with detailed confidential information
concerning the present and contemplated exploration projects, prospects and
opportunities of the Corporation, and that the disclosure of any such
confidential information to the competitors of the Corporation or to the general
public would be highly detrimental to the best interests of the Corporation
and/or the associated companies. The Executive further acknowledges and agrees
that the right to maintain such detailed confidential information constitutes a
proprietary right which the Corporation is entitled to protect. Accordingly, the
Executive covenants and agrees with the Corporation that he will not (either
during the continuance of his employment by the Corporation or at any time
thereafter) disclose any of such detailed confidential information to any person
nor shall he use the same for any purpose other than those of the Corporation.

10. Notwithstanding section 2 hereof, but subject to section 11 hereof, the
Corporation may terminate the employment of the Executive for any reason which
constitutes Manifest Cause (as hereinafter defined), and in such event the
Executive shall not be entitled to any payment on account of such termination,
other than compensation due him in respect of the period ending on the date of
termination (including all accrued but unpaid vacation and other benefits).

11. In the event that:

      (a)   the Corporation terminates the employment of the Executive other
            than for Manifest Cause; or

      (b)   the Executive resigns from his employment hereunder for Good Reason
            (as hereinafter defined),

the Corporation shall pay to the Executive, in addition to all accrued but
unpaid vacation and other benefits, a lump sum in cash on the date of
termination or resignation an amount equal to three times the Executive's annual
salary in effect for the financial year of the Corporation during which the
employment of the Executive is terminated or the Executive resigns.

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12. For the purposes of this Agreement:

"Good Reason" means any circumstance in which the Executive is induced by
actions of the Corporation or Metallica to terminate his employment other than
on a purely voluntary basis, and without limiting the generality of the
foregoing shall include:

      (a)   a reduction or diminution in the level of responsibility, title or
            office of the Executive;

      (b)   a reduction in the compensation level of the Executive, taken as a
            whole;

      (c)   forced relocation to another geographic location; or

      (d)   the failure of the Corporation or any successor corporation to
            maintain substantially similar employment terms with the Executive
            after the date hereof as were in existence prior to the date hereof.

"Manifest Cause" means:

      (a)   the conviction of the Executive on a felony charge;

      (b)   a gross and willful failure of the Executive to perform the duties
            necessary to carry out the Executive's responsibilities in a manner
            consistent with the Executive's performance prior to the date of
            this Agreement;

      (c)   dishonest conduct which is intentional and materially injurious to
            the Corporation.

13. Metallica hereby irrevocably and unconditionally guarantees the performance
by the Corporation of all of its obligations hereunder, including without
limitation the payment of all amounts payable by the Corporation to the
Executive, and the Executive shall not be required to exhaust its remedies
against the Corporation prior to claiming against Metallica pursuant to this
guarantee.

14. Any notice in writing required or permitted to be given to the Executive
hereunder shall be sufficiently given if delivered to the Executive personally
or mailed by registered mail, postage prepaid, addressed to the Executive at his
last residential address known to the Secretary of the Corporation. Any such
notice mailed as aforesaid shall be deemed to have been received by the
Executive on the fifth business day following the date of mailing. Any notice in
writing required or permitted to be given to the Corporation hereunder shall be
given by registered mail, postage prepaid, addressed to its head office. Any
such notice mailed as aforesaid shall be deemed to have been received by the
Corporation on the third business day following the date of mailing. Any such
address for the giving of notices hereunder may be changed by notice in writing
given hereunder.

15. Any and all previous agreements written or oral, between the parties hereto
or on their behalf

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                                     - 5 -

relating to the employment of the Executive by the Corporation, are hereby
terminated and cancelled and each of the parties hereto hereby releases and
forever discharges the other of and from all manner of actions, causes of
action, claims and demands whatsoever under or in respect of any such
agreements.

16. The provisions of this agreement shall be governed by and interpreted in
accordance with the laws of the State of Colorado and each of the parties hereto
by their execution of this agreement irrevocably agrees to the jurisdiction of
the courts of the said state.

17. The provisions of this agreement shall enure to the benefit of and be
binding upon the legal personal representatives of the Executive and the
successors and assigns of the Corporation, respectively.

      IN WITNESS WHEREOF the parties hereto have set their hands and seals as of
the date first above written.

SIGNED, SEALED AND DELIVERED          )
      in the presence of:             )
                                      )             /s/ Bradley J. Blacketor
                                      )       ---------------------------------
      /s/ Stacey Story                )             BRADLEY J. BLACKETOR
------------------------------------  )
      Signature of Witness            )
                                      )
      Stacey Story                    )
------------------------------------
      Name of Witness (please print)

                                                 METALLICA MANAGEMENT INC.

                                                 By:  /s/ Richard J. Hall
                                                      --------------------------
                                                      Authorized Signing Officer

                                                 METALLICA RESOURCES INC.

                                                 By:  /s/ Craig J. Nelsen
                                                      --------------------------
                                                      Craig J. Nelsen, Chairman<PAGE>
                                                                    EXHIBIT 4.15

             PROFESSIONAL SERVICES AGREEMENT FOR CONSULTING SERVICES

This Professional Services Agreement (hereinafter called "AGREEMENT"), entered
into as of December 1, 2004, is between FRED H. LIGHTNER hereinafter called
"CONSULTANT", whose address is 7866 S. Fairfax Ct. Centennial, CO 80122, and
METALLICA RESOURCES INC. and its affiliates, hereinafter called "METALLICA",
whose address is c/o Metallica Management, 12200 E. Briarwood Ave., Suite 165,
Centennial, CO, 80112.

METALLICA requires the services of a strategic management consultant. CONSULTANT
represents that he is uniquely qualified and desires to perform the services
required by METALLICA.

In consideration of the foregoing and the mutual covenants hereinafter set
forth, the parties agree as follows:

REPRESENTATIVES:
----------------

METALLICA'S Representative shall be Richard J. Hall, President and Chief
Executive Officer of Metallica Resources Inc. CONSULTANT shall act as his own
Representative. METALLICA may appoint a substitute Representative by providing
written notice to CONSULTANT, signed by Richard J. Hall.

SCOPE OF SERVICES:
------------------

METALLICA requires consulting services on a part-time basis under this contract
to assist with the development of the Cerro San Pedro gold-silver project
located in central Mexico. METALLICA also requires consulting services on a
part-time basis under this contract to assist with the review, evaluation, and
due diligence of merger candidates and property acquisitions.

COMPENSATION AND EXPENSES:
--------------------------

METALLICA will pay CONSULTANT a retainer fee of US$ 2,500 per month for three
days of consulting service. Such retainer will be paid whether or not services
are requested. Additional services over and above the three days shall be billed
at an hourly rate of US$ 125 per hour, however, daily consulting totals shall
not exceed US$ 1,000. All expenses incurred by CONSULTANT on behalf of METALLICA
will be reimbursed at actual cost.

CONSULTANT will submit an invoice to METALLICA on a monthly basis, documenting
fees and expenses incurred. Payment will be made promptly following receipt of
the invoice.

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TERM OF AGREEMENT:
------------------

This AGREEMENT shall commence on December 1, 2004 and shall be in effect through
May 31, 2005.

CONFIDENTIALITY AND OWNERSHIP OF WORK PRODUCT:
----------------------------------------------

Any information obtained by CONSULTANT in the course of its work pursuant to
this AGREEMENT shall be kept in strict confidence. All reports, files, drawings,
maps, data, conclusions, and other work products furnished by METALLICA to
CONSULTANT, or obtained, developed, or prepared by CONSULTANT under this
AGREEMENT shall be the sole property of METALLICA.

INDEPENDENT CONTRACTOR:
-----------------------

Work performed by CONSULTANT under this AGREEMENT shall be as an independent
contractor. CONSULTANT shall not be deemed as an employee of METALLICA.

ASSIGNMENT:
-----------

Neither this AGREEMENT nor any payments due to CONSULTANT hereunder shall be
assigned, nor shall any services provided for herein be subcontracted by
CONSULTANT.

ENTIRE AGREEMENT:
-----------------

This AGREEMENT constitutes the entire agreement between METALLICA and CONSULTANT
with respect to the subject matter hereof.

In witness whereof, Metallica and CONSULTANT have executed this AGREEMENT as of
the date first written above.

METALLICA                                       CONSULTANT

/s/ Richard J. Hall                             /s/ Fred  H. Lightner
Richard J. Hall                                 Fred H. Lightner
Metallica Resources Inc.
President and Chief Executive Officer

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