Summary of Significant Policies (Policies)	9 Months Ended
Aug. 31, 2023
Accounting Policies [Abstract]
Basis of Presentation	*Basis of Presentation* The accompanying unaudited interim condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”). Certain information or footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted. The accompanying condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto as of and for the year ended November 30, 2022. In the opinion of management, the accompanying unaudited interim condensed consolidated financial statements include all adjustments that are necessary for a fair presentation of the Company’s interim financial position, operating results and cash flows for the periods presented. The balance sheet as of November 30, 2022 and comparative financial statements for the three and nine months ended August 31, 2022 have been prepared on a “carve-out” basis to include allocations of certain assets, liabilities and expenses related to services and support functions from GoldMining, which were allocated on a pro-rata basis considered by GoldMining to be a reasonable reflection of the utilization of services provided to us for the quarters presented. Management believes the assumptions and allocations underlying the comparative financial statements are reasonable and appropriate under the circumstances. These comparative financial statements are not necessarily indicative of the results that would be attained if the Company had operated as a separate legal entity.
Consolidation	*Consolidation* The consolidated financial statements include the financial statements of U.S. GoldMining Inc. and US GoldMining Canada Inc., a wholly owned subsidiary of the Company from its incorporation on October 27, 2022. Subsidiaries are consolidated from the date the Company obtains control and continue to be consolidated until the date that control ceases. Control is achieved when the Company is exposed to, or has rights to, variable returns from its involvement with the entity and has the ability to affect those returns through its power over the entity. All inter-company transactions, balances, income and expenses are eliminated through the consolidation process.
Management’s Use of Estimates	*Management’s Use of Estimates* The preparation of these condensed consolidated financial statements in conformity with U.S. GAAP requires management to make judgments and estimates and form assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and reported amounts of income and expenses during the quarters presented. On an ongoing basis, management evaluates its judgments and estimates in relation to assets, liabilities, income and expenses. Management uses historical experience and various other factors it believes to be reasonable under given circumstances as the basis for its judgments and estimates. Actual outcomes may differ from these estimates under different assumptions and conditions. Significant estimates made by management include, but are not limited to, asset retirement obligations, share-based compensation and allocation of expenses from GoldMining.
New significant accounting policies	*New significant accounting policies* Restricted Cash Restricted cash includes cash that has been pledged for credit facilities which are not available for immediate disbursement. Camp Structures Equipment is stated at cost, less accumulated depreciation. Equipment is recorded at cost and are depreciated using the straight-line method over the estimated useful life. The estimated useful life of Camp Structures is 10 years. Expenditures incurred to replace a component of an item of equipment that is accounted for separately, including major inspection and overhaul expenditures are capitalized if the recognition criteria are satisfied. All other repair and maintenance costs are recognized in the statements of operations as incurred. Assets under construction Assets under construction consists of expenditures incurred for the rehabilitation of existing Whistler Project camp facilities and the construction of additional facilities. Costs incurred during construction that are directly attributable to bringing an asset into working condition for its intended use are capitalized; costs that are not necessary in readying an asset for use are recognized as an expense as incurred. Assets under construction are transferred to other respective asset classes and are depreciated when they are completed and available for use. Leases The Company accounts for leases in accordance with ASC 842, Leases. At contract inception, the Company determines if an arrangement is or contains a lease. A lease conveys the right to control the use of an identified asset for a period of time in exchange for consideration. If determined to be or contain a lease, the lease is assessed for classification as either an operating or finance lease at the lease commencement date, defined as the date on which the leased asset is made available for use by the Company, based on the economic characteristics of the lease. For each lease with a term greater than twelve months, the Company records a right-of-use asset and lease liability. A right-of-use asset represents the economic benefit conveyed to the Company by the right to use the underlying asset over the lease term. A lease liability represents the obligation to make lease payments arising from the lease. The Company records amortization of operating right-of-use assets and accretion of lease liabilities as a single lease cost on a straight-line basis over the lease term. Lease liabilities are measured at the lease commencement date and calculated as the present value of the future lease payments in the contract using the rate implicit in the contract, when available. If an implicit rate is not readily determinable, the Company uses its incremental borrowing rate measured as the rate at which the Company could borrow, on a fully collateralized basis, a commensurate loan in the same currency over a period consistent with the lease term at the commencement date. Right-of-use assets are measured as the lease liability plus initial direct costs and prepaid lease payments, less lease incentives granted by the lessor. The lease term is measured as the noncancelable period in the contract, adjusted for any options to extend or terminate when it is reasonably certain the Company will extend the lease term via such options based on an assessment of economic factors present as of the lease commencement date. The Company elected the practical expedient to not recognize leases with a lease term of twelve months or less. The Company assesses its right-of-use assets for impairment consistent with the assessment performed for long-lived assets used in operations. If an impairment is recognized on operating lease right-of-use assets, the lease liability continues to be recognized using the same effective interest method as before the impairment and the operating lease right-of-use asset is amortized over the remaining term of the lease on a straight-line basis. The Company’s operating leases are presented in the condensed consolidated balance sheet as right-of-use assets, classified as noncurrent assets, and operating lease liabilities, classified as current and noncurrent liabilities based on the discounted lease payments to be made within the proceeding twelve months. Variable costs associated with a lease, such as maintenance and utilities, are not included in the measurement of the lease liabilities and right-of-use assets but rather are expensed when the events determining the amount of variable consideration to be paid have occurred. Inventories Inventories include materials and supplies, which are valued at the lower of average cost or net realizable value. Stock Options The Company grants stock options to certain directors, officers, employees and consultants of the Company. The Company uses the Black-Scholes option-pricing model to determine the grant date fair value of stock options. The fair value of stock options granted to employees is recognized as an expense over the vesting period with a corresponding increase in equity. An individual is classified as an employee when the individual is an employee for legal or tax purposes, provides services that could be provided by a direct employee, or has authority and responsibility for planning, directing and controlling the activities of the Company, including non-executive directors. The fair value is measured at grant date and recognized over the period during which the options vest. Forfeitures are accounted for as they occur. Foreign Currency Translation The functional currency of our Company, including its subsidiary, is the United States dollar. US GoldMining Canada Inc., the wholly owned subsidiary of the Company, maintains their accounting records in their local currency, the Canadian dollar. In accordance with ASC 830: Foreign Currency Matters, the financial statements of our subsidiary are translated into United States dollars using period-end exchange rates as to monetary assets and liabilities and average exchange rates as to revenues and expenses. Non-monetary assets are translated at their historical exchange rates. Net gains and losses resulting from foreign exchange translations and foreign currency exchange gains and losses on transactions occurring in a currency other than our Company’s functional currency are included in the determination of net loss in the period.
Segment Information	*Segment Information* We have determined that we operate and report in one segment, which focuses on the exploration and development of mineral properties. Our operating segment is reported in a manner consistent with the internal reporting provided to the chief operating decision maker (“CODM”) who is identified as our Chief Executive Officer. All of our non-current assets are located in Alaska, USA.
Recently Issued Accounting Pronouncements	*Recently Issued Accounting Pronouncements* In December 2019, the FASB issued ASU 2019-12, “Income Taxes (Topic 740) Simplifying the Accounting for Income Taxes” (“ASU 2019-12”), which is intended to simplify various aspects related to accounting for income taxes. ASU 209-12 removes certain exceptions to the general principles in Topic 740 and also clarifies and amends existing guidance to improve consistent application. The new standard is effective for fiscal years beginning after December 15, 2021, and interim periods within fiscal years beginning after December 15, 2022. Management has assessed and concluded there is no material impact on the Company’s financial statements.

Summary of Significant Policies (Policies)

9 Months Ended

Aug. 31, 2023

Basis of Presentation

The accompanying unaudited interim condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”). Certain information or footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted. The accompanying condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto as of and for the year ended November 30, 2022. In the opinion of management, the accompanying unaudited interim condensed consolidated financial statements include all adjustments that are necessary for a fair presentation of the Company’s interim financial position, operating results and cash flows for the periods presented.

The balance sheet as of November 30, 2022 and comparative financial statements for the three and nine months ended August 31, 2022 have been prepared on a “carve-out” basis to include allocations of certain assets, liabilities and expenses related to services and support functions from GoldMining, which were allocated on a pro-rata basis considered by GoldMining to be a reasonable reflection of the utilization of services provided to us for the quarters presented. Management believes the assumptions and allocations underlying the comparative financial statements are reasonable and appropriate under the circumstances. These comparative financial statements are not necessarily indicative of the results that would be attained if the Company had operated as a separate legal entity.

Consolidation

Consolidation

The consolidated financial statements include the financial statements of U.S. GoldMining Inc. and US GoldMining Canada Inc., a wholly owned subsidiary of the Company from its incorporation on October 27, 2022. Subsidiaries are consolidated from the date the Company obtains control and continue to be consolidated until the date that control ceases. Control is achieved when the Company is exposed to, or has rights to, variable returns from its involvement with the entity and has the ability to affect those returns through its power over the entity.

All inter-company transactions, balances, income and expenses are eliminated through the consolidation process.

Management’s Use of Estimates

Management’s Use of Estimates

The preparation of these condensed consolidated financial statements in conformity with U.S. GAAP requires management to make judgments and estimates and form assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and reported amounts of income and expenses during the quarters presented. On an ongoing basis, management evaluates its judgments and estimates in relation to assets, liabilities, income and expenses. Management uses historical experience and various other factors it believes to be reasonable under given circumstances as the basis for its judgments and estimates. Actual outcomes may differ from these estimates under different assumptions and conditions. Significant estimates made by management include, but are not limited to, asset retirement obligations, share-based compensation and allocation of expenses from GoldMining.

New significant accounting policies

New significant accounting policies

Restricted Cash

Restricted cash includes cash that has been pledged for credit facilities which are not available for immediate disbursement.

Camp Structures

Equipment is stated at cost, less accumulated depreciation. Equipment is recorded at cost and are depreciated using the straight-line method over the estimated useful life. The estimated useful life of Camp Structures is 10 years.

Expenditures incurred to replace a component of an item of equipment that is accounted for separately, including major inspection and overhaul expenditures are capitalized if the recognition criteria are satisfied. All other repair and maintenance costs are recognized in the statements of operations as incurred.

Assets under construction

Assets under construction consists of expenditures incurred for the rehabilitation of existing Whistler Project camp facilities and the construction of additional facilities. Costs incurred during construction that are directly attributable to bringing an asset into working condition for its intended use are capitalized; costs that are not necessary in readying an asset for use are recognized as an expense as incurred. Assets under construction are transferred to other respective asset classes and are depreciated when they are completed and available for use.

Leases

The Company accounts for leases in accordance with ASC 842, Leases. At contract inception, the Company determines if an arrangement is or contains a lease. A lease conveys the right to control the use of an identified asset for a period of time in exchange for consideration. If determined to be or contain a lease, the lease is assessed for classification as either an operating or finance lease at the lease commencement date, defined as the date on which the leased asset is made available for use by the Company, based on the economic characteristics of the lease. For each lease with a term greater than twelve months, the Company records a right-of-use asset and lease liability. A right-of-use asset represents the economic benefit conveyed to the Company by the right to use the underlying asset over the lease term. A lease liability represents the obligation to make lease payments arising from the lease. The Company records amortization of operating right-of-use assets and accretion of lease liabilities as a single lease cost on a straight-line basis over the lease term. Lease liabilities are measured at the lease commencement date and calculated as the present value of the future lease payments in the contract using the rate implicit in the contract, when available. If an implicit rate is not readily determinable, the Company uses its incremental borrowing rate measured as the rate at which the Company could borrow, on a fully collateralized basis, a commensurate loan in the same currency over a period consistent with the lease term at the commencement date. Right-of-use assets are measured as the lease liability plus initial direct costs and prepaid lease payments, less lease incentives granted by the lessor. The lease term is measured as the noncancelable period in the contract, adjusted for any options to extend or terminate when it is reasonably certain the Company will extend the lease term via such options based on an assessment of economic factors present as of the lease commencement date. The Company elected the practical expedient to not recognize leases with a lease term of twelve months or less. The Company assesses its right-of-use assets for impairment consistent with the assessment performed for long-lived assets used in operations. If an impairment is recognized on operating lease right-of-use assets, the lease liability continues to be recognized using the same effective interest method as before the impairment and the operating lease right-of-use asset is amortized over the remaining term of the lease on a straight-line basis. The Company’s operating leases are presented in the condensed consolidated balance sheet as right-of-use assets, classified as noncurrent assets, and operating lease liabilities, classified as current and noncurrent liabilities based on the discounted lease payments to be made within the proceeding twelve months. Variable costs associated with a lease, such as maintenance and utilities, are not included in the measurement of the lease liabilities and right-of-use assets but rather are expensed when the events determining the amount of variable consideration to be paid have occurred.

Inventories

Inventories include materials and supplies, which are valued at the lower of average cost or net realizable value.

Stock Options

The Company grants stock options to certain directors, officers, employees and consultants of the Company. The Company uses the Black-Scholes option-pricing model to determine the grant date fair value of stock options. The fair value of stock options granted to employees is recognized as an expense over the vesting period with a corresponding increase in equity. An individual is classified as an employee when the individual is an employee for legal or tax purposes, provides services that could be provided by a direct employee, or has authority and responsibility for planning, directing and controlling the activities of the Company, including non-executive directors. The fair value is measured at grant date and recognized over the period during which the options vest. Forfeitures are accounted for as they occur.

Foreign Currency Translation

The functional currency of our Company, including its subsidiary, is the United States dollar. US GoldMining Canada Inc., the wholly owned subsidiary of the Company, maintains their accounting records in their local currency, the Canadian dollar. In accordance with ASC 830: Foreign Currency Matters, the financial statements of our subsidiary are translated into United States dollars using period-end exchange rates as to monetary assets and liabilities and average exchange rates as to revenues and expenses. Non-monetary assets are translated at their historical exchange rates. Net gains and losses resulting from foreign exchange translations and foreign currency exchange gains and losses on transactions occurring in a currency other than our Company’s functional currency are included in the determination of net loss in the period.

Segment Information

Segment Information

We have determined that we operate and report in one segment, which focuses on the exploration and development of mineral properties. Our operating segment is reported in a manner consistent with the internal reporting provided to the chief operating decision maker (“CODM”) who is identified as our Chief Executive Officer. All of our non-current assets are located in Alaska, USA.

Recently Issued Accounting Pronouncements

Recently Issued Accounting Pronouncements

In December 2019, the FASB issued ASU 2019-12, “Income Taxes (Topic 740) Simplifying the Accounting for Income Taxes” (“ASU 2019-12”), which is intended to simplify various aspects related to accounting for income taxes. ASU 209-12 removes certain exceptions to the general principles in Topic 740 and also clarifies and amends existing guidance to improve consistent application. The new standard is effective for fiscal years beginning after December 15, 2021, and interim periods within fiscal years beginning after December 15, 2022. Management has assessed and concluded there is no material impact on the Company’s financial statements.

- Definition

Disclosure of accounting policy for segment reporting.

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