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DERIVATIVE INSTRUMENTS (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
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DERIVATIVE ASSETS |  |  |
Derivative financial assets |  |  | $ 18.0
DERIVATIVE LIABILITIES |  |  |
Total derivative liabilities |  |  | 5.8
Gold option contracts |  |  |
DERIVATIVE ASSETS |  |  |
Derivative financial assets |  |  |
Diesel swap contracts |  |  |
DERIVATIVE ASSETS |  |  |
Derivative financial assets |  |  |
Unsettled provisionally priced concentrate derivatives, and swap contracts |  |  |
DERIVATIVE LIABILITIES |  |  |
Derivative financial liabilities | [1] | 1.9 | 4.5
Copper forward contracts |  |  |
DERIVATIVE ASSETS |  |  |
Derivative financial assets |  |  |
Share purchase warrants |  |  |
DERIVATIVE LIABILITIES |  |  |
Derivative financial liabilities | [2] |  | 1.3
Copper price option contract |  |  |
DERIVATIVE LIABILITIES |  |  |
Derivative financial liabilities | [3] | $ 4.1 |
[1] | Unsettled provisionally priced concentrate derivatives are included within trade and other receivables in the statement of financial position.
[2] | On June 28, 2017, New Gold’s share purchase warrants expired, unexercised. As at December 31, 2016, share purchase warrants were included in trade and other payables.
[3] | Copper price option contracts are included within trade and other payables in the statement of financial position.

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