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Investments (Tables) | 12 Months Ended
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Dec. 31, 2021
Financial Instruments [Abstract] |
Schedule of investments |
| As at December 31 | As at December 31 |
(in millions of U.S. dollars) | 2021 | 2020 |
MARKETABLE EQUITY SECURITIES |  |  |
Artemis Gold Inc. | 40.3 |  | 37.2 |  |
Talisker Resources Ltd.(1) | 9.1 |  | — |  |
Other marketable securities(2) | 8.3 |  | 7.3 |  |
Total marketable equity securities | 57.7 |  | 44.5 |  |
Other investments | 1.8 |  | 0.9 |  |
Total investments | 59.5 |  | 45.4 |  |
1.In April 2021, the Company completed the acquisition of 14.9% of Talisker Resources Ltd. for $11.0 million (C$13.8 million). 2.In March 2021, the Company completed the acquisition of 14.9% of Harte Gold Corp for $19.8 million (C$24.8 million). As at December 31, 2021 the value of the investment was written off as Harte Gold Corp. filed for creditor protection under the Companies' Creditor Arrangement Act (Canada) and Harte Gold Corp's shares were suspended from trading.

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