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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995476 - Disclosure - Note 12 - General and Administrative (Tables) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995482 - Disclosure - Note 1 - The Company (Details Textual) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995483 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995484 - Disclosure - Note 4 - Notes Receivable (Details Textual) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995485 - Disclosure - Note 4 - Notes Receivable - Notes Receivable (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995486 - Disclosure - Note 5 - Investment in Donlin Gold (Details Textual) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995487 - Disclosure - Note 5 - Investment in Donlin Gold - Summary of the Company's Investment in Donlin Gold LLC (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995488 - Disclosure - Note 6 - Other Assets - Carrying Amounts of Other Assets (Details) </link:definition> |
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| | | <link:roleType id="statement-note-7-promissory-note-details-textual" roleURI="http://www.novagold.com/20231130/role/statement-note-7-promissory-note-details-textual"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995489 - Disclosure - Note 7 - Promissory Note (Details Textual) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995490 - Disclosure - Note 7 - Promissory Note - Schedule of Debt (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995491 - Disclosure - Note 8 - Leases (Details Textual) </link:definition> |
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| | | <link:roleType id="statement-note-8-leases-lease-cost-details" roleURI="http://www.novagold.com/20231130/role/statement-note-8-leases-lease-cost-details"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995492 - Disclosure - Note 8 - Leases - Lease Cost (Details) </link:definition> |
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| | | <link:roleType id="statement-note-8-leases-minimum-lease-payments-details" roleURI="http://www.novagold.com/20231130/role/statement-note-8-leases-minimum-lease-payments-details"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995493 - Disclosure - Note 8 - Leases - Minimum Lease Payments (Details) </link:definition> |
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| | | <link:roleType id="statement-note-9-other-liabilities-current-and-long-term-liabilities-details" roleURI="http://www.novagold.com/20231130/role/statement-note-9-other-liabilities-current-and-long-term-liabilities-details"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995494 - Disclosure - Note 9 - Other Liabilities - Current and Long Term Liabilities (Details) </link:definition> |
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| | | <link:roleType id="statement-note-10-share-capital-details-textual" roleURI="http://www.novagold.com/20231130/role/statement-note-10-share-capital-details-textual"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995495 - Disclosure - Note 10 - Share Capital (Details Textual) </link:definition> |
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| | | <link:roleType id="statement-note-11-fair-value-accounting-details-textual" roleURI="http://www.novagold.com/20231130/role/statement-note-11-fair-value-accounting-details-textual"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995496 - Disclosure - Note 11 - Fair Value Accounting (Details Textual) </link:definition> |
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| | | <link:roleType id="statement-note-12-general-and-administrative-summary-of-general-and-administrative-expenses-details" roleURI="http://www.novagold.com/20231130/role/statement-note-12-general-and-administrative-summary-of-general-and-administrative-expenses-details"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995497 - Disclosure - Note 12 - General and Administrative - Summary of General and Administrative Expenses (Details) </link:definition> |
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| | | <link:roleType id="statement-note-13-sharebased-compensation-details-textual" roleURI="http://www.novagold.com/20231130/role/statement-note-13-sharebased-compensation-details-textual"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995498 - Disclosure - Note 13 - Share-based Compensation (Details Textual) </link:definition> |
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| | | <link:roleType id="statement-note-13-sharebased-compensation-summary-of-sharebased-compensation-expense-details" roleURI="http://www.novagold.com/20231130/role/statement-note-13-sharebased-compensation-summary-of-sharebased-compensation-expense-details"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995499 - Disclosure - Note 13 - Share-based Compensation - Summary of Share-based Compensation Expense (Details) </link:definition> |
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| | | <link:roleType id="statement-note-13-sharebased-compensation-summary-of-stock-options-outstanding-details" roleURI="http://www.novagold.com/20231130/role/statement-note-13-sharebased-compensation-summary-of-stock-options-outstanding-details"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995500 - Disclosure - Note 13 - Share-based Compensation - Summary of Stock Options Outstanding (Details) </link:definition> |
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| | | <link:roleType id="statement-note-13-sharebased-compensation-other-information-related-to-stock-options-details" roleURI="http://www.novagold.com/20231130/role/statement-note-13-sharebased-compensation-other-information-related-to-stock-options-details"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995501 - Disclosure - Note 13 - Share-based Compensation - Other Information Related to Stock Options (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995502 - Disclosure - Note 13 - Share-based Compensation - PSU Awards Outstanding and PSU Activity (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995503 - Disclosure - Note 13 - Share-based Compensation - Other PSU-related Information (Details) </link:definition> |
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| | | <link:roleType id="statement-note-14-other-income-expense-net-summary-of-other-income-expense-details" roleURI="http://www.novagold.com/20231130/role/statement-note-14-other-income-expense-net-summary-of-other-income-expense-details"> |
| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995504 - Disclosure - Note 14 - Other Income (Expense), Net - Summary of Other Income (Expense) (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995505 - Disclosure - Note 15 - Income Taxes (Details Textual) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995506 - Disclosure - Note 15 - Income Taxes - Components of Income Tax Expense (Benefit) (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995507 - Disclosure - Note 15 - Income Taxes - Loss Before Income Tax (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995508 - Disclosure - Note 15 - Income Taxes - Effective Income Tax Rate Reconciliation (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995509 - Disclosure - Note 15 - Income Taxes - Components of the Company's Deferred Income Tax Assets (Liabilities) (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995510 - Disclosure - Note 15 - Income Taxes - Summary of Operating Loss Carryforwards (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995511 - Disclosure - Note 16 - Related Party Transactions (Details Textual) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995512 - Disclosure - Note 17 - Net Change in Operating Assets and Liabilities - Net Change in Operating Assets and Liabilities (Details) </link:definition> |
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| <link:definition xmlns="http://www.xbrl.org/2003/linkbase"> 995513 - Disclosure - Note 18 - Supplemental Cash Flow Information - Supplemental Cash Flow Disclosures (Details) </link:definition> |
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| <xsd:element abstract="true" id="ng_ExpiringIn2025Member" name="ExpiringIn2025Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2026Member" name="ExpiringIn2026Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2027Member" name="ExpiringIn2027Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2028Member" name="ExpiringIn2028Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2029Member" name="ExpiringIn2029Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2030Member" name="ExpiringIn2030Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2031Member" name="ExpiringIn2031Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2032Member" name="ExpiringIn2032Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2033Member" name="ExpiringIn2033Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2034Member" name="ExpiringIn2034Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2035Member" name="ExpiringIn2035Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2036Member" name="ExpiringIn2036Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2037Member" name="ExpiringIn2037Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2038Member" name="ExpiringIn2038Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2039Member" name="ExpiringIn2039Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2040Member" name="ExpiringIn2040Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2041Member" name="ExpiringIn2041Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_ExpiringIn2042Member" name="ExpiringIn2042Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_GainOnSaleOfMineralProperty" name="GainOnSaleOfMineralProperty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_GaloreCreekMember" name="GaloreCreekMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_GeneralAndAdministrativeExpensesTableTextBlock" name="GeneralAndAdministrativeExpensesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_GeneralAndAdministrativeExpensesTextBlock" name="GeneralAndAdministrativeExpensesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_IncreaseDecreaseInRemediationLiability" name="IncreaseDecreaseInRemediationLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_IndefiniteMember" name="IndefiniteMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_InterestSold" name="InterestSold" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_LeaseObligationsCurrent" name="LeaseObligationsCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="ng_LeaseObligationsNoncurrent" name="LeaseObligationsNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="ng_ManagementAndAdministrativeServicesProvidedMember" name="ManagementAndAdministrativeServicesProvidedMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_MinasSanRoqueMember" name="MinasSanRoqueMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_NetChangeInOperatingAssetsAndLiabilitiesTextBlock" name="NetChangeInOperatingAssetsAndLiabilitiesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_NoteReceivableUponApprovalOfGaloreCreekProjectConstructionPlanMember" name="NoteReceivableUponApprovalOfGaloreCreekProjectConstructionPlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_NoteReceivableUponCompletionOfGaloreCreekProjectFeasibilityMember" name="NoteReceivableUponCompletionOfGaloreCreekProjectFeasibilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_NoteReceivableUponCompletionOfGaloreCreekProjectPrefeasibilityMember" name="NoteReceivableUponCompletionOfGaloreCreekProjectPrefeasibilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_NoteReceivableUponCompletionOfMinasSanRoqueProjectFeasibilityMember" name="NoteReceivableUponCompletionOfMinasSanRoqueProjectFeasibilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_NoteReceivableUponCompletionOfMinasSanRoqueProjectPrefeasibilityMember" name="NoteReceivableUponCompletionOfMinasSanRoqueProjectPrefeasibilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_NotesReceivableAccretion" name="NotesReceivableAccretion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="ng_NotesReceivablePayments" name="NotesReceivablePayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_OfficeEquipment" name="OfficeEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element id="ng_OtherPsurelatedInformationTableTextBlock" name="OtherPsurelatedInformationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_PercentageOfSpecifiedRevenueFromWhichThePromissoryNoteAndAccruedInterestArePayable" name="PercentageOfSpecifiedRevenueFromWhichThePromissoryNoteAndAccruedInterestArePayable" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="ng_PerformanceShareUnitsMember" name="PerformanceShareUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_ProceedsFromSaleOfMineralProperty" name="ProceedsFromSaleOfMineralProperty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="ng_ProceedsFromTermDeposits" name="ProceedsFromTermDeposits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="ng_ReclamationAndLeaseLiability" name="ReclamationAndLeaseLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="ng_RemediationCurrentLiabilities" name="RemediationCurrentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="ng_RemediationNoncurrentLiabilities" name="RemediationNoncurrentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="ng_RetentionPerformanceStockUnitsMember" name="RetentionPerformanceStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceMultiplierOnAwardsVested" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformanceMultiplierOnAwardsVested" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfCommonSharesPerAward" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfCommonSharesPerAward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant"/> |
| <xsd:element id="ng_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfCommonSharesPerAwardAdjustedMultiplier" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfCommonSharesPerAwardAdjustedMultiplier" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/> |
| <xsd:element id="ng_ShareBasedCompensationArrangementByShareBasedPaymentAwardPortionVestingPerYear" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPortionVestingPerYear" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/> |
| <xsd:element id="ng_TermDepositsPolicyPolicyTextBlock" name="TermDepositsPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_TotalLiabilitiesMember" name="TotalLiabilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="ng_UnconsolidatedVenturesNumberOfDirectors" name="UnconsolidatedVenturesNumberOfDirectors" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/> |
| <xsd:element id="ng_UnconsolidatedVenturesNumberOfDirectorsSelectedByTheReportingEntity" name="UnconsolidatedVenturesNumberOfDirectorsSelectedByTheReportingEntity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/> |
| <xsd:element id="ng_UnconsolidatedVenturesNumberOfDirectorsSelectedByVenturePartners" name="UnconsolidatedVenturesNumberOfDirectorsSelectedByVenturePartners" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-12-general-and-administrative-summary-of-general-and-administrative-expenses-details" name="statement-statement-note-12-general-and-administrative-summary-of-general-and-administrative-expenses-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-12-general-and-administrative-tables" name="statement-statement-note-12-general-and-administrative-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-13-sharebased-compensation-other-information-related-to-stock-options-details" name="statement-statement-note-13-sharebased-compensation-other-information-related-to-stock-options-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-13-sharebased-compensation-other-psurelated-information-details" name="statement-statement-note-13-sharebased-compensation-other-psurelated-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-13-sharebased-compensation-psu-awards-outstanding-and-psu-activity-details" name="statement-statement-note-13-sharebased-compensation-psu-awards-outstanding-and-psu-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-13-sharebased-compensation-summary-of-sharebased-compensation-expense-details" name="statement-statement-note-13-sharebased-compensation-summary-of-sharebased-compensation-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-13-sharebased-compensation-summary-of-stock-options-outstanding-details" name="statement-statement-note-13-sharebased-compensation-summary-of-stock-options-outstanding-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-13-sharebased-compensation-tables" name="statement-statement-note-13-sharebased-compensation-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-14-other-income-expense-net-summary-of-other-income-expense-details" name="statement-statement-note-14-other-income-expense-net-summary-of-other-income-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-14-other-income-expense-net-tables" name="statement-statement-note-14-other-income-expense-net-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-15-income-taxes-components-of-income-tax-expense-benefit-details" name="statement-statement-note-15-income-taxes-components-of-income-tax-expense-benefit-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-15-income-taxes-components-of-the-companys-deferred-income-tax-assets-liabilities-details" name="statement-statement-note-15-income-taxes-components-of-the-companys-deferred-income-tax-assets-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-15-income-taxes-effective-income-tax-rate-reconciliation-details" name="statement-statement-note-15-income-taxes-effective-income-tax-rate-reconciliation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-15-income-taxes-loss-before-income-tax-details" name="statement-statement-note-15-income-taxes-loss-before-income-tax-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-15-income-taxes-summary-of-operating-loss-carryforwards-details" name="statement-statement-note-15-income-taxes-summary-of-operating-loss-carryforwards-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-15-income-taxes-tables" name="statement-statement-note-15-income-taxes-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-17-net-change-in-operating-assets-and-liabilities-net-change-in-operating-assets-and-liabilities-details" name="statement-statement-note-17-net-change-in-operating-assets-and-liabilities-net-change-in-operating-assets-and-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-17-net-change-in-operating-assets-and-liabilities-tables" name="statement-statement-note-17-net-change-in-operating-assets-and-liabilities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-18-supplemental-cash-flow-information-supplemental-cash-flow-disclosures-details" name="statement-statement-note-18-supplemental-cash-flow-information-supplemental-cash-flow-disclosures-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-18-supplemental-cash-flow-information-tables" name="statement-statement-note-18-supplemental-cash-flow-information-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-4-notes-receivable-notes-receivable-details" name="statement-statement-note-4-notes-receivable-notes-receivable-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-4-notes-receivable-tables" name="statement-statement-note-4-notes-receivable-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-5-investment-in-donlin-gold-summary-of-the-companys-investment-in-donlin-gold-llc-details" name="statement-statement-note-5-investment-in-donlin-gold-summary-of-the-companys-investment-in-donlin-gold-llc-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-5-investment-in-donlin-gold-summary-of-the-companys-investment-in-donlin-gold-llc-details4FB23F1F-21FB-45CD-9B47-5E4EA40E33F0" name="statement-statement-note-5-investment-in-donlin-gold-summary-of-the-companys-investment-in-donlin-gold-llc-details4FB23F1F-21FB-45CD-9B47-5E4EA40E33F0" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-5-investment-in-donlin-gold-tables" name="statement-statement-note-5-investment-in-donlin-gold-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-6-other-assets-carrying-amounts-of-other-assets-details" name="statement-statement-note-6-other-assets-carrying-amounts-of-other-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-6-other-assets-tables" name="statement-statement-note-6-other-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-7-promissory-note-schedule-of-debt-details" name="statement-statement-note-7-promissory-note-schedule-of-debt-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-7-promissory-note-tables" name="statement-statement-note-7-promissory-note-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-8-leases-lease-cost-details" name="statement-statement-note-8-leases-lease-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-8-leases-lease-cost-details50428C7B-7FCC-48BE-AFDB-6E242372F72D" name="statement-statement-note-8-leases-lease-cost-details50428C7B-7FCC-48BE-AFDB-6E242372F72D" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-8-leases-minimum-lease-payments-details" name="statement-statement-note-8-leases-minimum-lease-payments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-8-leases-tables" name="statement-statement-note-8-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-9-other-liabilities-current-and-long-term-liabilities-details" name="statement-statement-note-9-other-liabilities-current-and-long-term-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-note-9-other-liabilities-tables" name="statement-statement-note-9-other-liabilities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="ng_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| </xsd:schema> |