RANDGOLD RESOURCES LTD (ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory)

9.	Property, plant and equipment

$000	Dec 31, 2017		Dec 31, 2016
Mine properties, mine development costs and mine plant facilities and equipment cost
At the beginning of year		2,462,421		2,272,985
Additions		199,324		189,436
		2,661,745		2,462,421
Accumulated depreciation and amortization
At beginning of year		901,561		726,218
Charge for the year		182,900		175,343
		1,084,461		901,561
Net book value		1,577,284		1,560,860

Long-lived assets

Included in property, plant and equipment are long-lived assets which are amortized on a unit of production basis as detailed in note 2 and comprise the metallurgical plants, tailings and raw water dams, power plants and mine infrastructure and development costs. The net book value of these assets was $1,462.9 million at December 31, 2017 (2016: $1,553.5 million) (2015: $1,535.4 million).

Short-lived assets

Included in property, plant and equipment are short-lived assets which are amortized over their useful lives and are comprised of motor vehicles and other equipment. The net book value of these assets was $95.4 million at December 31, 2017 (2016: $6.0 million) (2015: $7.7 million).

Undeveloped property

Included in property, plant and equipment are undeveloped property costs of $1.2 million (2016: $1.4 million) (2015: $1.7 million).

Post production stripping

Property, plant and equipment include capitalized stripping costs, related to the production phase of opencast mining. The net book value at December 31, 2017 was $17.8 million (2016: nil) (2015: $2.0 million).

Remaining maximum estimated useful lives by mine

	Dec 31, 2017	Dec 31, 2016
The remaining maximum estimated useful lives in respect of proven and probable reserves for each mine included above is as follows:
Loulo	15 years	12 years
Gounkoto	10 years	10 years
Tongon	4 years	4 years

RANDGOLD RESOURCES LTD | CIK:0001175580 |

ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory