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Mining royalties (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure Of Mining Royalties [Abstract] |
Disclosure of detailed information about mining royalties [Text Block] | This caption is made up as follows:
|  | 2017 |  | 2016 |  | 2015 |
|  | US$(000) |  | US$(000) |  | US$(000) |
Sindicato Minero de Orcopampa S.A., note 28(b) |  |  | 20,165 |  |  | 19,824 |  |  | 21,942 |
Royalties paid to the Peruvian State |  |  | 11,052 |  |  | 7,787 |  |  | 5,246 |
|  |  | 31,217 |  |  | 27,611 |  |  | 27,188 |

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- Definition The detailed information about mining royalties. + References No definition available. + Details
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- References No definition available. + Details
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