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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
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Deferred tax assets: |  |
Exploration costs | $ 1,757,816 | $ 1,787,571
PRC tax losses | 11,941,045 | 12,211,867
US federal net operating loss | 1,694,013 | 1,336,405
Total deferred tax assets | 15,392,874 | 15,335,843
Valuation allowance | (13,533,849) | (10,016,934)
Net deferred tax asset | $ 1,859,025 | $ 5,318,909

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-8 + Details
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