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Significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2019
Disclosure of Significant Accounting Policies [Abstract] |
Summary of Wholly-owned and Partially-owned Subsidiaries | The material subsidiaries of the Company as at December 31, 2019 are described below:
Subsidiary | Location | Ownership interest | Operations and development projects owned
Tüprag Metal Madencilik Sanayi ve Ticaret AS ("Tüprag") | Turkey | 100% | Kişladağ Mine Efemçukuru Mine
Hellas Gold SA ("Hellas") | Greece | 95% | Olympias Mine Stratoni Mine Skouries Project
Integra Gold Corporation | Canada | 100% | Lamaque Mine
Thracean Gold Mining SA | Greece | 100% | Perama Hill Project
Thrace Minerals SA | Greece | 100% | Sapes Project
Unamgen Mineração e Metalurgia SA | Brazil | 100% | Vila Nova Iron Ore Mine
Brazauro Recursos Minerais SA ("Brazauro") | Brazil | 100% | Tocantinzinho Project
Deva Gold SA ("Deva") | Romania | 80.5% | Certej Project

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- Definition The disclosure of subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 17 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_17_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_16_b&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B4 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B4_a&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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