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v3.20.1

MINING INTERESTS (Tables) | 12 Months Ended
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Dec. 31, 2019
MINING INTERESTS |
Schedule of property, plant and equipment |
|  | Mining Properties |  |  |  |  |  |
|  |  |  | Non- |  | Plant & |  | Construction |  |
|  | Depletable |  | depletable |  | equipment |  | in progress |  | Total
(in millions of U.S. dollars) |  |  |  |  |  |  |  |  |  |
COST |  |  |  |  |  |  |  |  |  |
As at December 31, 2017 |  | 2,353.0 |  | 562.0 |  | 1,379.3 |  | 57.0 |  | 4,351.3
Additions |  | 70.8 |  | 23.8 |  | 48.3 |  | 72.0 |  | 214.9
Disposals |  | (0.4) |  | — |  | (4.8) |  | — |  | (5.2)
Sale of Mesquite(1) |  | (323.5) |  | — |  | (232.0) |  | (1.8) |  | (557.3)
Transfers |  | (0.6) |  | — |  | 0.6 |  | — |  | —
Asset impairment |  | (836.6) |  | (218.2) |  | — |  | — |  | (1,054.8)
As at December 31, 2018 |  | 1,262.7 |  | 367.6 |  | 1,191.4 |  | 127.2 |  | 2,948.9
Additions |  | 87.3 |  | 43.5 |  | 75.5 |  | 103.5 |  | 309.8
Disposals |  | (0.2) |  | (0.1) |  | (6.7) |  | — |  | (7.0)
Transfers |  | 101.3 |  | — |  | — |  | (101.3) |  | —
Government Grants(2) |  | — |  | (2.0) |  | — |  | — |  | (2.0)
As at December 31, 2019 |  | 1,451.1 |  | 409.0 |  | 1,260.2 |  | 129.4 |  | 3,249.7
ACCUMULATED DEPRECIATION |  |  |  |  |  |  |  |  |  |
As at December 31, 2017 |  | 737.3 |  | — |  | 413.6 |  | — |  | 1,150.9
Depreciation for the year |  | 169.1 |  | — |  | 130.7 |  | — |  | 299.8
Disposals |  | (0.1) |  | — |  | (3.6) |  | — |  | (3.7)
Sale of Mesquite(1) |  | (189.3) |  | — |  | (162.2) |  | — |  | (351.5)
As at December 31, 2018 |  | 717.0 |  | — |  | 378.5 |  | — |  | 1,095.5
Depreciation for the year |  | 114.4 |  | — |  | 114.9 |  | — |  | 229.3
Disposals |  | — |  | — |  | (3.1) |  | — |  | (3.1)
As at December 31, 2019 |  | 831.4 |  | — |  | 490.3 |  | — |  | 1,321.7
CARRYING AMOUNT |  |  |  |  |  |  |  |  |  |
As at December 31, 2018 |  | 545.7 |  | 367.6 |  | 812.9 |  | 127.2 |  | 1,853.4
As at December 31, 2019 |  | 619.7 |  | 409.0 |  | 769.9 |  | 129.4 |  | 1,928.0
| 1. |  | Refer to Note 16 for further information on discontinued operations. Mesquite was classified as an asset held-for-sale in the third quarter of 2018 and was sold in October 2018.
| 2. |  | The province of British Columbia provides an incentive for exploration in British Columbia as a refundable tax credit. This refundable tax credit is treated as government assistance and reduces Mining Interests. For the year ended December 31, 2019, the Company received $2.0 million in refundable tax credits which was recorded as a reduction to Mining Interests.
Schedule of segmented assets and liabilities | Carrying amount by property as at December 31, 2019
|  | As at December 31, 2019
|  |  |  | Non- |  | Plant & |  | Construction |  |
(in millions of U.S. dollars) |  | Depletable |  | depletable |  | equipment |  | in progress |  | Total
MINING INTEREST BY SITE |  |  |  |  |  |  |  |  |  |
New Afton |  | 371.4 |  | 50.0 |  | 149.2 |  | 17.8 |  | 588.4
Rainy River |  | 248.3 |  | 17.8 |  | 602.1 |  | 111.6 |  | 979.8
Blackwater |  | — |  | 340.1 |  | 14.5 |  | — |  | 354.6
Other(1) |  | — |  | 1.1 |  | 4.1 |  | — |  | 5.2
Carrying amount |  | 619.7 |  | 409.0 |  | 769.9 |  | 129.4 |  | 1,928.0
| 1. |  | Other includes corporate balances and exploration properties.
Carrying amount by property as at December 31, 2018:
|  | As at December 31, 2018
|  |  |  | Non- |  | Plant & |  | Construction |  |
(in millions of U.S. dollars) |  | Depletable |  | depletable |  | equipment |  | in progress |  | Total
MINING INTEREST BY SITE |  |  |  |  |  |  |  |  |  |
New Afton |  | 421.9 |  | 26.1 |  | 191.6 |  | 16.4 |  | 656.0
Cerro San Pedro(2) |  | — |  | — |  | — |  | — |  | —
Rainy River |  | 123.8 |  | 14.3 |  | 605.0 |  | 110.8 |  | 853.9
Blackwater |  | — |  | 326.1 |  | 14.2 |  | — |  | 340.3
Other(1) |  | — |  | 1.1 |  | 2.1 |  | — |  | 3.2
Carrying amount |  | 545.7 |  | 367.6 |  | 812.9 |  | 127.2 |  | 1,853.4
| 1. |  | Other includes corporate balances and exploration properties.
Cerro San Pedro transitioned to the reclamation phase of its mine life cycle on December 31, 2018. As a result, Cerro San Pedro's mining interest are fully amortized as at December 31, 2018.

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