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        <link:definition>200700 - Disclosure - NOTES PAYABLE - RELATED PARTIES</link:definition>
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        <link:definition>500600 - Disclosure - ACCRUED EXPENSES (Tables)</link:definition>
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        <link:definition>501100 - Disclosure - CAPITAL STOCK (Tables)</link:definition>
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        <link:definition>501300 - Disclosure - INCOME TAXES (Tables)</link:definition>
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        <link:definition>600200 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Textual) (Details)</link:definition>
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        <link:definition>600500 - Disclosure - DEPOSITS (Textual) (Details)</link:definition>
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        <link:definition>600700 - Disclosure - NOTES PAYABLE - RELATED PARTIES (Textual) (Details)</link:definition>
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        <link:definition>600800 - Disclosure - LINE OF CREDIT (Textual) (Details)</link:definition>
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        <link:definition>601100 - Disclosure - CAPITAL STOCK (Information about options) (Details)</link:definition>
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        <link:definition>601101 - Disclosure - CAPITAL STOCK (Information about stock warrants granted to employees, advisors, investors and board members) (Details)</link:definition>
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        <link:definition>601102 - Disclosure - CAPITAL STOCK (Issuance of common stock) (Textual) (Details)</link:definition>
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        <link:definition>601103 - Disclosure - CAPITAL STOCK (Stock Options) (Textual) (Details)</link:definition>
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        <link:definition>600300 - Disclosure - MINING PROPERTY (Textual) (Details)</link:definition>
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        <link:definition>600900 - Disclosure - CONVERTIBLE LINE OF CREDIT (Textual) (Details)</link:definition>
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        <link:definition>601500 - Disclosure - SUBSEQUENT EVENTS (Textual) (Details)</link:definition>
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  <xsd:element name="LegalFeesMember" id="ptam_LegalFeesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="FilingFeesMember" id="ptam_FilingFeesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NotePayableRelatedPartiesTextualAbstract" id="ptam_NotePayableRelatedPartiesTextualAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="RelatedPartyTransactionsTextualAbstract" id="ptam_RelatedPartyTransactionsTextualAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="CorrectedReportedAmountMember" id="ptam_CorrectedReportedAmountMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ValuationAllowanceForFederalTaxExpenditure" id="ptam_ValuationAllowanceForFederalTaxExpenditure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element name="IncomeTaxesTextualAbstract" id="ptam_IncomeTaxesTextualAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="LineOfCreditOneMember" id="ptam_LineOfCreditOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="LineOfCreditTwoMember" id="ptam_LineOfCreditTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="LineOfCreditTextualAbstract" id="ptam_LineOfCreditTextualAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ConvertibleLineOfCreditTextualAbstract" id="ptam_ConvertibleLineOfCreditTextualAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ExercisePriceRangeMember" id="ptam_ExercisePriceRangeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DetailOneMember" id="ptam_DetailOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DetailTwoMember" id="ptam_DetailTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DetailThreeMember" id="ptam_DetailThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ExercisePriceRangeOneMember" id="ptam_ExercisePriceRangeOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DetailsAxis" id="ptam_DetailsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DetailsDomain" id="ptam_DetailsDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="FoundersMember" id="ptam_FoundersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="IncreaseInAuthorizedSharesDescription" id="ptam_IncreaseInAuthorizedSharesDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="StockOptionPlanMember" id="ptam_StockOptionPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DescriptionOfParty" id="ptam_DescriptionOfParty" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ExercisePriceDescription" id="ptam_ExercisePriceDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="StockOptionsIssued" id="ptam_StockOptionsIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="StockOptionExercisePrice" id="ptam_StockOptionExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="StockOptionContractualTerm" id="ptam_StockOptionContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NumberOfAgreements" id="ptam_NumberOfAgreements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="AgreementAxis" id="ptam_AgreementAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="AgreementDomain" id="ptam_AgreementDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="PropertyAcquisitionAgreementMember" id="ptam_PropertyAcquisitionAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="PurchaseAndSaleAgreementMember" id="ptam_PurchaseAndSaleAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="InterestInMiningClaimsPercentage" id="ptam_InterestInMiningClaimsPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="MiningPropertyTextualAbstract" id="ptam_MiningPropertyTextualAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NewfoundlandPropertyMember" id="ptam_NewfoundlandPropertyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="AdditionalClaimsMember" id="ptam_AdditionalClaimsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="SodavilleClaimsMember" id="ptam_SodavilleClaimsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DateOfAgreement" id="ptam_DateOfAgreement" type="xbrli:dateItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="PreclosingAdvance" id="ptam_PreclosingAdvance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element name="RoyaltyPerShortTon" id="ptam_RoyaltyPerShortTon" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NumberOfMiningClaims" id="ptam_NumberOfMiningClaims" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="PrepaidExpensesTextualAbstract" id="ptam_PrepaidExpensesTextualAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DerivativeExpense" id="ptam_DerivativeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="ChangeInDerivative" id="ptam_ChangeInDerivative" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="ConvertibleLineOfCreditAbstract" id="ptam_ConvertibleLineOfCreditAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ConvertibleLineOfCreditTextBlock" id="ptam_ConvertibleLineOfCreditTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="FairValueOfSharesVested" id="ptam_FairValueOfSharesVested" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="SubsequentEventsTextualAbstract" id="ptam_SubsequentEventsTextualAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
</xsd:schema>
