Exhibit
      99.1




EDUARDO
      CABRERA CORTÉS


NOTARY
      PUBLIC


COLIPI
      No
351 - PHONE No 212901


COPIAPÓ




**DIGEST
      No. 3452**   **2007**   **PUBLIC DEEDS**





**MINE
      LEASING AGREEMENT**





**“PACIFIC
      COPPER CHILE LTDA.”**





**TO**





**SOCIEDAD
      LEGAL MINERA**





**“LA
      GUANACA UNA DE LA SIERRA VICUÑA”**




**IN
      COPIAPÓ** ,
      Republic of Chile, on November thirteenth, two thousand and seven, before me, **EDUARDO
      CABRERA CORTÉS,** Regular
      Notary Public of this Province, lawyer, domiciled in Copiapó, on Colipí street
      number three hundred and fifty-one, there appeareth: Mr. **EDUARDO
      ESTEFFAN MARCO** ,
      Chilean, married, Civil Engineer, National Identity Card number five million
      nine hundred and six thousand and seventy-nine dash one, domiciled on Van Buren
      street number two hundred and eight, in Copiapó, in representation, as shall be
      evidenced, of the company **PACIFIC
      COPPER CHILE LTDA** .,
      corporate person with Tax Registration Number seventy-six million eight hundred
      and forty-eight thousand two hundred and sixty dash eight, having the same
      domicile set forth above; and Ms. **REBECA
      DEL CARMEN ROJAS SILVA** ,
      Chilean, single, teacher, National Identity Card number five million one hundred
      and eighty-six thousand eight hundred and seventy-two dash two, domiciled on
      Los
      Carrera street, number two thousand nine hundred and fifty-two, in
      representation, as shall be evidenced, of **SOCIEDAD
      LEGAL MINERA “LA GUANACA UNA DE LA SIERRA VICUÑA”** in the
      province of Chañaral, Atacama Region; both appearing parties being of legal age,
      and having evidenced their identities through the referred Identity Cards do
      hereby state: **FIRST** :
      That
      the legal mining company Sociedad Legal Minera LA GUANACA UNA DE LA SIERRA
      VICUÑA is the owner of the mining properties denominated “La Guanaca Una al
      Cincuenta” located in Sierra Vicuña, Province of Chañaral, Atacama Region, the
      identification of which is recorded in the respective survey record registered
      on page two hundred and sixteen, reverse, number twenty-four in the Registry
      of
      Properties of the Registrar of Mines of Chañaral, for year nineteen sixty-eight.









**SECOND** :
      The
      mining company Sociedad Legal Minera “LA GUANACA UNA DE LA SIERRA VICUÑA”,
      represented by Ms. Rebeca Rojas Silva, does hereby grant the company PACIFIC
      COPPER CHILE LTDA., represented by Mr. Eduardo Esteffan Marco, who hereby
      accepts, the right to work and explore all or some of the mining properties
      bearing gold, copper, limestone, and other mineral substances, denominated
“LA
      GUANACA UNO AL CINCUENTA” identified above. In the use of the right to work the
      mines granted to PACIFIC COPPER CHILE LTDA., it shall be understood that PACIFIC
      COPPER CHILE LTDA. shall have the right to explore, research, survey and work
      said mines, to refine, concentrate, extract and become the owner of the minerals
      found therein, and in general, to enter into or execute any acts and contracts
      which may be necessary, useful or advisable for such ends. **THIRD** :
      Pacific
      Copper Chile Ltda. shall have the right to sub-lease, transfer, or assign,
      in
      whole or in part, this agreement to any third parties, natural or corporate,
      through public deed which shall be noted on the margin of the registration
      of
      this agreement. **FOURTH** :
      Pacific
      Copper Chile Ltda. shall pay to the legal mining company “La Guanaca Uno de la
      Sierra Vicuña” a monthly lease amounting to **two
      thousand Dollars of the United States of America** ,
      payable
      within the first five days of each month. **FIFTH** :
      Failure
      to make or simple delay in such payment for two consecutive months of the agreed
      upon lease, shall entitle the Lessor to require the termination of this
      agreement. **SIXTH** :
      The
      Lessee shall take all actions required for mining protection and safety in
      the
      mining works performed thereby, and shall comply with all the laws, rules,
      and
      regulations relating to environmental protection, and in general, with all
      the
      laws, rules and regulations governing the production, working, surveying, and
      transportation activities performed thereby in the leased mining property. **SEVENTH** :
      The
      Lessee shall timely pay any required mining patents or licenses on the leased
      property, and deliver copy of the respective vouchers to the Lessor.









**EIGHTH** :
      This
      Agreement shall be in effect for a term of five years, as from the date of
      this
      deed. This term shall be deemed tacitly and automatically renewed for equal
      and
      successive periods if none of the parties shall give notice of its intention
      to
      terminate this Agreement, at least two months in advance of the expiration
      of
      such term or any renewal thereof, through registered letter sent to the other
      party, through a Notary Public. **NINTH** :
      Any
      improvements made by the Lessee in the mining properties and not removed from
      the surface occupied thereby within a term of six months counted as from the
      date of termination of this Agreement shall remain to the benefit of the Lessor,
      without any costs thereto. **TENTH** :
      It is
      specially placed on record that the Lessee hereby makes an advance payment
      of
      the lease amount for the two first moths, and the Lessor hereby receives such
      advance payment for two-months of lease at its entire satisfaction. **ELEVENTH** :
      For all
      legal purposes derived from this Agreement, the parties set their domicile
      in
      the city of Copiapó. **TWELFTH** :
      Any
      difficulties arising between the parties in respect of the obligation or
      interpretation, compliance, non-compliance, infringement or termination of
      this
      Agreement, during the period of effectiveness or termination and dissolution
      hereof, shall be subject to the consideration of the solicitor, **Mr.
      Oscar Iriarte Ávalos,** who
      shall resolve without any form of trial and at a single instance, in the
      capacity as arbitrating arbitrator and as friendly arranger, the parties hereby
      waiving any legal recourses they may have against such decisions, including
      the
      recourses of appeal for annulment as to the form and as to the merits of the
      case. In the event Mr. Bondi Ortiz de Zárate shall be unable or unwilling to
      perform such duties, the arbitrator shall be appointed through ordinary legal
      proceedings. **THIRTEENTH** :
      The
      Lessor hereby constitutes a prohibition to encumber and/or dispose of the mining
      properties leased to the Lessee throughout the term of effectiveness of this
      Agreement. **FOURTEENTH** :
      Bearer
      of authorized copy of this deed is hereby authorized to require and sign any
      notations, registrations and sub-registrations that may be relevant before
      the
      Registrar of Mines of Chañaral.









**FIFTEENTH** :
      The
      parties hereby grant special power of attorney to **Mr.
      Jean Pierre Bondi Ortiz de Zárate** for him
      to clarify or correct any actual errors in this deed in order to obtain the
      appropriate registrations in the registries of properties. **LEGAL
      CAPACITIES** :
      The
      legal capacity of **Ms.
      Rebeca del Carmen Rojas Silva** to act
      on behalf of the company **“GUANACA
      UNA DE LA SIERRA VICUÑA”** is
      evidenced in public deed of the Shareholders’ Meeting dated November sixteenth,
      nineteen eighty-eight, executed before the Notary Public of Copiapó, Mr. Luis
      Contreras Fuentes. The legal capacity of **Mr.
      Eduardo Esteffan Marco** to act
      on behalf of the company **PACIFIC
      COPPER CHILE LTDA.** is
      evidenced in public deed dated April nineteenth, two thousand and seven,
      executed before the Notary Public of Copiapó, Mr. Eduardo Cabrera Cortés, deeds
      which have not been inserted as they are known to the parties and upon their
      request. Minutes drawn by solicitor **Mr.
      Jean Pierre Bondi Ortiz de Zárate** and
      remitted by electronic mail. In witness and upon a reading whereof the parties
      have signed. Copy is delivered. Recorded in the digest under number three
      thousand four hundred and fifty two, two thousand and seven. I
      ATTEST.




**E. ESTEFFAN M.**
            
            **R. DEL C. ROJAS
              S.**N.I.C. No 5.906.079-1
            
            N.I.C. No 5.186.872-2**For: PACIFIC COPPER CHILE
              LTDA.**
            
            **For: SLM LA GUANACA UNA DE
              LA****SIERRA
                VICUÑA**




**EDUARDO
      CABRERA CORTÉS**


**NOTARY
      PUBLIC**