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v3.19.1

Gains (losses) from operating activities in the statement of income by function of expenses, included according to their nature (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Remuneration and benefits to employees | $ (260,863) | $ (227,620) | $ (208,697)
Raw material and supplies | (203,569) | (172,084) | (162,335)
Depreciation expense | (212,582) | (232,275) | (271,128)
Amortization expense | (160) | (219) | (184)
Operating leases | (75,395) | (80,160) | (71,548)
Investment plan expenses | (13,384) | (17,180) | (17,697)
Contractors | (78,825) | (72,348) | (66,051)
Mining concessions | 8,168 | 7,802 | 7,313
Operations transport | (64,352) | (69,052) | (59,399)
Freight and product transport costs | 43,510 | 55,383 | 64,857
Purchases from third parties | (239,781) | (208,147) | (211,928)
Insurance policies | (9,816) | (10,255) | (12,033)
CORFO right | 182,954 | 46,274 | 41,962
Export costs | (84,816) | (83,057) | (105,307)
Other expenses, by nature | (38,925) | (14,034) | (4,818)
Total | (1,483,524) | (1,394,822) | (1,328,285)
Cost of Sales [Member] |  |  |
Inventory provision variation | $ 11,600 | $ (90,998) | $ (10,774)

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- Definition The amount of amortisation expense. Amortisation is the systematic allocation of depreciable amounts of intangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of costs relating to expenses directly or indirectly attributed to the goods or services sold, which may include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, unallocated production overheads and abnormal amounts of production costs of inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_99&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_103&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of depreciation expense. Depreciation is the systematic allocation of depreciable amounts of tangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
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