10. PROPERTY, PLANT AND MINE DEVELOPMENT


					Mine
	Mining		Plant and		Development
	Properties		Equipment		Costs		Total
As at December 31, 2017	$	1,665,527	$	1,991,121	$	1,969,904	$	5,626,552
Additions		335,938		247,655		681,882		1,265,475
Impairment loss (Note 24)		(100,676)		—		—		(100,676)
Disposals		(8,554)		(5,590)		—		(14,144)
Amortization		(146,793)		(268,028)		(128,084)		(542,905)
Transfers between categories		29,621		19,709		(49,330)		—
As at December 31, 2018	$	1,775,063		1,984,867		2,474,372		6,234,302
Additions		63,305		314,469		635,030		1,012,804
Impairment reversal (Note 24)		172,484		—		173,337		345,821
Disposals		(937)		(19,434)		—		(20,371)
Amortization		(152,160)		(300,027)		(116,704)		(568,891)
Transfers between categories		150,796		1,207,920		(1,358,716)		—
As at December 31, 2019	$	2,008,551	$	3,187,795	$	1,807,319	$	7,003,665
As at December 31, 2018
Cost	$	3,135,284	$	4,839,166	$	3,281,066	$	11,255,516
Accumulated amortization and impairments		(1,360,221)		(2,854,299)		(806,694)		(5,021,214)
Carrying value - December 31, 2018	$	1,775,063	$	1,984,867	$	2,474,372	$	6,234,302
As at December 31, 2019
Cost	$	3,348,912	$	6,182,372	$	2,540,534	$	12,071,818
Accumulated amortization and impairments		(1,340,361)		(2,994,577)		(733,215)		(5,068,153)
Carrying value - December 31, 2019	$	2,008,551	$	3,187,795	$	1,807,319	$	7,003,665

Additions to Plant and Equipment include $81.8 million of transitional adjustments for the recognition of leased right-of-use assets upon the Company's adoption of IFRS 16 on January 1, 2019 (see Note 5), and $46.8 million of right-of-use assets for lease arrangements entered into during the year ended December 31, 2019.

As at December 31, 2019, major assets under construction, and therefore not yet being depreciated, included in the carrying value of property, plant and mine development amounted to $244.9 million (2018 - $1,424.2 million).

During the year ended December 31, 2019, the Company produced and sold pre-commercial production ounces from the Meliadine mine, Amaruq satellite deposit at the Meadowbank Complex, and Barnat deposit at the Canadian Malartic mine. The Company deducts revenues from mining operations earned prior to commercial production from the cost of the related property, plant and mine development. During the year ended December 31, 2019, the Company earned $91.1 million of pre-commercial production revenue.

During the year ended December 31, 2019, the Company disposed of property, plant and mine development with a carrying value of $20.4 million (2018 - $14.1 million). The loss of $11.9 million on disposal (2018 - gain of $22.8 million) was recorded in the other income line item in the consolidated statements of income (loss).

Geographic Information:


	As at		As at
	December 31,		December 31,
	2019		2018
Northern Business:
Canada	$	5,000,544	$	4,386,051
Finland		1,205,935		996,946
Sweden		13,812		13,812

Southern Business:
Mexico		780,877		835,797
United States		2,497		1,696
Total property, plant and mine development	$	7,003,665	$	6,234,302