Property, plant and equipment (Tables)

12 Months Ended

Dec. 31, 2018

Summary of Property, Plant and Equipment


	Land			Buildings and constructions			Operating machinery and equipment			Transportation vehicles			Other equipment			Construction- in-progress			Mining plant and equipment			Railway Ulak-Elga			Total
Cost
At December 31, 2015		3,313			78,265			114,231			30,399			1,236			26,836			14,918			71,804			341,002
Additions		—			504			1,428			549			25			5,027			542			—			8,075
Change in rehabilitation provision		—			346			—			—			—			—			(212	)		—			134
Transfers		1			2,435			2,610			180			(209	)		(8,393	)		389			2,987			—
Disposals		(75	)		(3,050	)		(3,266	)		(1,717	)		(169	)		(2,330	)		(536	)		—			(11,143	)
Exchange differences		(190	)		(841	)		(675	)		(120	)		(61	)		(6	)		(1	)		—			(1,894	)

At December 31, 2016		3,049			77,659			114,328			29,291			822			21,134			15,100			74,791			336,174

Additions		6			363			1,531			3,124			45			5,767			1,576			—			12,412
Change in rehabilitation provision		—			141			—			—			—			—			(58	)		—			83
Transfers		—			2,934			3,360			190			148			(7,011	)		362			17			—
Disposals		(12	)		(432	)		(1,713	)		(1,795	)		(28	)		(245	)		(3	)		—			(4,228	)
Exchange differences		52			148			132			21			9			—			—			—			362

At December 31, 2017		3,095			80,813			117,638			30,831			996			19,645			16,977			74,808			344,803
Additions		9			10			2,423			2,048			83			6,851			50			—			11,474
Change in rehabilitation provision		—			(187	)		—			—			—			—			(102	)		—			(289	)
Transfers		1			487			2,750			251			97			(4,099	)		119			394			—
Disposals		(255	)		(649	)		(1,734	)		(1,410	)		(32	)		(509	)		(136	)		—			(4,725	)
Exchange differences		91			277			251			40			28			—			—			—			687

At December 31, 2018		2,941			80,751			121,328			31,760			1,172			21,888			16,908			75,202			351,950

Depreciation and impairment At December 31, 2015		(59	)		(35,577	)		(68,519	)		(15,416	)		(933	)		(932	)		(3,388	)		(334	)		(125,158	)
Depreciation charge		—			(3,774	)		(7,760	)		(2,613	)		(50	)		—			(133	)		(247	)		(14,577	)
Disposals		—			3,160			3,045			1,272			198			238			437			—			8,350
Reversal of impairment/ (impairment)		(224	)		(260	)		(215	)		(98	)		—			(887	)		(16	)		—			(1,700	)
Exchange differences		32			546			550			86			52			(1	)		(1	)		—			1,264

At December 31, 2016		(251	)		(35,905	)		(72,899	)		(16,769	)		(733	)		(1,582	)		(3,101	)		(581	)		(131,821	)
Depreciation charge		—			(3,747	)		(7,315	)		(2,222	)		(72	)		—			(245	)		(235	)		(13,836	)
Disposals		—			302			1,611			1,720			22			127			1			7			3,790
Reversal of impairment/ (impairment)		(37	)		(876	)		(2,174	)		(454	)		(5	)		(278	)		(1,067	)		—			(4,891	)
Exchange differences		(4	)		(49	)		(95	)		(13	)		(9	)		—			—			—			(170	)

At December 31, 2017		(292	)		(40,275	)		(80,872	)		(17,738	)		(797	)		(1,733	)		(4,412	)		(809	)		(146,928	)
Depreciation charge		—			(3,550	)		(7,273	)		(2,253	)		(99	)		—			(180	)		(279	)		(13,634	)
Disposals		223			287			1,593			1,317			50			47			170			—			3,687
Impairment		(43	)		(319	)		(1,065	)		(709	)		(15	)		(536	)		(2,153	)		—			(4,840	)
Exchange differences		(3	)		(110	)		(191	)		(28	)		(24	)		—			—			—			(356	)

At December 31, 2018		(115	)		(43,967	)		(87,808	)		(19,411	)		(885	)		(2,222	)		(6,575	)		(1,088	)		(162,071	)

Net book value
At December 31, 2015		3,254			42,688			45,712			14,983			303			25,904			11,530			71,470			215,844

At December 31, 2016		2,798			41,754			41,429			12,522			89			19,552			11,999			74,210			204,353

At December 31, 2017		2,803			40,538			36,766			13,093			199			17,912			12,565			73,999			197,875

At December 31, 2018		2,826			36,784			33,520			12,349			287			19,666			10,333			74,114			189,879

Schedule of Property, Plant and Equipment Assets Pledged to Secure Bank Loans and Borrowings Granted to Group

Certain property, plant and equipment assets have been pledged to secure bank loans and borrowings granted to the Group:


	December 31, 2018		December 31, 2017
Net book value		117,370		121,926

Schedule of Ownership of Assets or Option to Purchase Leased Assets at Bargain Price

The Group leases operating machinery and equipment and transportation vehicles under a number of finance lease agreements. At the end of the term of the lease, the Group obtains ownership of the assets or has an option to purchase leased assets at a bargain price.


	December 31, 2018		December 31, 2017
Net book value — operating machinery and equipment		644		1,516
Net book value — transportation vehicles		9,469		9,690