Property, plant and equipment (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure of detailed information about property, plant and equipment [abstract]

Disclosure of detailed information about property, plant and equipment [text block]

15.1 Types of property, plant and equipment

Description of types of property, plant and equipment	As of December 31, ‎ 2019			As of December 31, ‎ 2018
	ThUS$			ThUS$
Property, plant and equipment, net
Land		23,620			24,695
Buildings (1)		252,969			238,808
Other property, plant and equipment		32,604			28,175
Transport equipment (2)		6,042			2,892
Supplies and accessories		4,579			4,722
Office equipment		420			513
Network and communication equipment		663			692
Mining assets		23,174			11,501
IT equipment		4,359			4,980
Energy generating assets		5,998			6,117
Constructions in progress		375,316			207,830
Machinery, plant and equipment (3)		877,326			923,898
Total		1,607,070			1,454,823
(1) The buildings line item includes Th US$ 25,742 corresponding to right-of-use assets ; (2) The line item “Transport equipment” I ncludes Th US$ 3,356. corresponding to right-of-use assets ; (3) the property, plant and equipment line item includes ThUS$ 8,066 corresponding to right-of-use assets; the total includes Th US$ 37,164. corresponding to right-of-use assets (IFRS 16)
Property, plant and equipment, gross
Land		23,620			24,695
Buildings (1)		695,316			648,719
Other property, plant and equipment		257,206			245,731
Transport equipment (2)		16,036			11,668
Supplies and accessories		25,531			24,456
Office equipment		11,441			11,377
Network and communication equipment		8,009			7,505
Mining assets		161,619			132,309
IT equipment		28,693			29,955
Energy generating assets		38,495			36,930
Constructions in progress		375,316			207,830
Machinery, plant and equipment (3)		3,154,435			3,068,862
Total		4,795,717			4,450,037
(1) The buildings line item includes Th US$ 29,289 corresponding to right-of-use assets; (2) The line item “Transport equipment” I ncludes ThUS$ 3,893 corresponding to right-of-use assets ; (3) the property, plant and equipment line item includes Th US$ 11,933 corresponding to right-of-use assets; the total includes Th US $45,115 corresponding to right-of-use assets (IFRS 16)
Accumulated depreciation and value impairment of property, plant and equipment, total
Accumulated depreciation and impairment of buildings (1)		(442,347	)		(409,911	)
Accumulated depreciation and impairment of other property, plant and equipment		(224,602	)		(217,556	)
Accumulated depreciation and impairment of transport equipment (2)		(9,994	)		(8,776	)
Accumulated depreciation and impairment of supplies and accessories		(20,952	)		(19,734	)
Accumulated depreciation and impairment of office equipment		(11,021	)		(10,864	)
Accumulated depreciation and impairment of network and communication equipment		(7,346	)		(6,813	)
Accumulated depreciation and impairment of mining assets		(138,445	)		(120,808	)
Accumulated depreciation and impairment of IT equipment		(24,334	)		(24,975	)
Accumulated depreciation and impairment of energy generating assets		(32,497	)		(30,813	)
Accumulated depreciation and impairment of machinery, plant and equipment (3)		(2,277,109	)		(2,144,964	)
Total		(3,188,647	)		(2,995,214	)

(1)

The buildings line item includes Th

US$ (3,547)

corresponding to depreciation of right-of-use assets

; (2)

The line item

“Transport equipment”. I

ncludes

US$ (537)

corresponding to right-of-use assets

; (3)

The property, plant and equipment line item includes Th

US$ (3,867)

corresponding to depreciation of right-of-use assets; the total includes Th

US$ (7,951)

corresponding to depreciation of right-of-use assets (IFRS 16).

Description of Machinery, plant and equipment	As of December ‎ 31, 2019		As of December ‎ 31, 2018
	ThUS$		ThUS$
Machinery, plant and equipment, net
Pumps		32,525		34,145
Conveyor Belt		21,911		22,082
Crystallizer		24,102		27,112
Plant Equipment		170,263		188,934
Tanks		14,159		14,876
Filter		27,080		29,300
Electrical equipment/facilities		92,090		96,179
Other Property, Plant & Equipment		53,396		58,997
Site Closure		12,056		12,967
Right-of-use assets		8,066		-
Piping		96,402		98,498
Well		238,670		250,045
Pond		41,319		42,903
Spare Parts		45,287		47,860
Total		877,326		923,898

Disclosure of reconciliation of changes in property, plant and equipment [Text Block]

15.2

Reconciliation of changes in property, plant and equipment by type:

Reconciliation of changes in property, plant and equipment by class as of December 31, 2019 and 2018:

Reconciliation of changes in property, plant and equipment by class as of December 31, 2019, gross amount	Land			Buildings			Other property, plant and equipment			Transport equipment			Supplies and accessories			Equipment office			Network and communication equipment		Mining assets		IT equipment			Energy generating assets		Assets under construction			Machinery, plant and equipment			Property, plant and equipment
	ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$		ThUS$		ThUS$			ThUS$		ThUS$			ThUS$			ThUS$
Opening balance		24,695			648,719			245,731			11,668			24,456			11,377			7,505		132,309		29,955			36,930		207,830			3,068,862			4,450,037
Initial recognition of IFRS 16		-			29,289			-			3,893			-			-			-		-		-			-		-			11,933			45,115
Balance with recognition of IFRS 16		24,695			678,008			245,731			15,561			24,456			11,377			7,505		132,309		29,955			36,930		207,830			3,080,795			4,495,152
Additions		-			290			332			-			37			43			159		-		492			-		314,236			6,077			321,666
Disposals		-			-			(858	)		-			-			-			-		-		(3	)		-		-			(17	)		(878	)
Increase (decrease) in foreign currency translation difference		(35	)		(72	)		(4	)		(2	)		(9	)		(3	)		-		-		(6	)		-		-			(72	)		(203	)
Reclassifications		132			18,526			12,456			477			745			-			89		16,901		1,289			1,565		(140,104	)		88,088			164
Other increases (decreases)		-			-			(451	)		-			302			24			256		12,409		(3,034	)		-		(6,646	)		(20,436	)		(17,576	)
Decreases for classification as held for sale		(1,172	)		(1,436	)		-			-			-			-			-		-		-			-		-			-			(2,608	)
Total changes		(1,075	)		17,308			11,475			475			1,075			64			504		29,310		(1,262	)		1,565		167,486			73,640			300,565
Closing balance		23,620			695,316			257,206			16,036			25,531			11,441			8,009		161,619		28,693			38,495		375,316			3,154,435			4,795,717

Reconciliation of changes in property, plant and equipment by class as of December 31, 2019, accumulated depreciation	Land		Buildings			Other property, plant and equipment			Transport equipment			Supplies and accessories			Equipment office			Network and communication equipment			Mining assets			IT equipment			Energy generating assets			Assets under construction		Machinery, plant and equipment			Property, plant and equipment
	ThUS$		ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$		ThUS$			ThUS$
Opening balance		-		(409,911	)		(217,556	)		(8,776	)		(19,734	)		(10,864	)		(6,813	)		(120,808	)		(24,975	)		(30,813	)		-		(2,144,964	)		(2,995,214	)
Changes
Disposals		-		-			858			-			-			-			-			-			1			-			-		-			859
Depreciation expense		-		(32,547	)		(8,013	)		(1,220	)		(1,144	)		(161	)		(426	)		(7,033	)		(1,158	)		(1,676	)		-		(142,866	)		(196,244	)
Impairment		-		(49	)		-			-			-			-			-			-			-			-			-		-			(49	)
Increase (decrease) in foreign currency translation difference		-		28			3			1			7			1			-			-			5			-			-		34			79
Reclassifications		-		7			(6	)		1			6			-			1			-			(5	)		-			-		(207	)		(203	)
Other increases (decreases) (*)		-		(155	)		112			-			(87	)		3			(108	)		(10,604	)		1,798			(8	)		-		10,894			1,845
Decreases for classification as held for sale		-		280			-			-			-			-			-			-			-			-			-		-			280
Total changes		-		(32,436	)		(7,046	)		(1,218	)		(1,218	)		(157	)		(533	)		(17,637	)		641			(1,684	)		-		(132,145	)		(193,433	)
Closing balance		-		(442,347	)		(224,602	)		(9,994	)		(20,952	)		(11,021	)		(7,346	)		(138,445	)		(24,334	)		(32,497	)		-		(2,277,109	)		(3,188,647	)

Reconciliation of changes in property, plant and equipment by class as of December 31, 2019, net amount	Land			Buildings			Other property, plant and equipment			Transport equipment			Supplies and accessories			Equipment office			Network and communication equipment			Mining assets			IT equipment			Energy generating assets			Assets under construction			Machinery, plant and equipment			Property, plant and equipment
	ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$
Opening balance		24,695			238,808			28,175			2,892			4,722			513			692			11,501			4,980			6,117			207,830			923,898			1,454,823
Initial recognition of IFRS 16		-			29,289			-			3,893			-			-			-			-			-			-			-			11,933			45,115
Balance with recognition of IFRS 16		24,695			268,097			28,175			6,785			4,722			513			692			11,501			4,980			6,117			207,830			935,831			1,499,938
Additions		-			290			332			-			37			43			159			-			492			-			314,236			6,077			321,666
Disposals		-			-			-			-			-			-			-			-			(2	)		-			-			(17	)		(19	)
Depreciation expense		-			(32,547	)		(8,013	)		(1,220	)		(1,144	)		(161	)		(426	)		(7,033	)		(1,158	)		(1,676	)		-			(142,866	)		(196,244	)
Impairment		-			(49	)		-			-			-			-			-			-			-			-			-			-			(49	)
Increase (decrease) in foreign currency translation difference		(35	)		(44	)		(1	)		(1	)		(2	)		(2	)		-			-			(1	)		-			-			(38	)		(124	)
Reclassifications		132			18,533			12,450			478			751			-			90			16,901			1,284			1,565			(140,104	)		87,881			(39	)
Other increases (decreases ) (1)		-			(155	)		(339	)		-			215			27			148			1,805			(1,236	)		(8	)		(6,646	)		(9,542	)		(15,731	)
Decreases for classification as held for sale (2)		(1,172	)		(1,156	)		-			-			-			-			-			-			-			-			-			-			(2,328	)
Total changes		(1,075	)		(15,128	)		4,429			(743	)		(143	)		(93	)		(29	)		11,673			(621	)		(119	)		167,486			(58,505	)		107,132
Closing balance		23,620			252,969			32,604			6,042			4,579			420			663			23,174			4,359			5,998			375,316			877,326			1,607,070

(1) The net balance of “Other Increases (Decreases)” corresponds to all those items that are reclassified to or from “Property, Plant and Equipment”, They can have the following origin: (i) work in progress which is expensed to profit or loss, forming part of operating costs or other expenses per function, as appropriate; (ii) the variation representing the purchase and use of materials and spare parts; (iii) projects corresponding mainly to exploration expenditures and ground studies that are reclassified to the item other non-current financial assets; (iv) software that is reclassified to “Intangibles”.

(2) The Company classifies as non-current held for sale property, plant and equipment (disposal group) that, at the closing date of the financial statements, is subject to a commitment for sale or where the sales process has been initiated and where the sale is expected to occur within twelve months of that date, is classified by the Company as non-current assets held for sale.

These assets or disposal groups are valued at the lower of carrying amount or the estimated sales value less the costs to sell and stop being amortized from the moment they are classified as non-current assets held for sale.

Reconciliation of changes in property, plant and equipment by class as of December 31, 2018, gross amount	Land			Buildings			Other property, plant and equipment			Transport equipment			Supplies and accessories			Equipment office			Network and communication equipment			Mining assets		IT equipment			Energy generating assets		Assets under construction			Machinery, plant and equipment			Property, plant and equipment
	ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$		ThUS$			ThUS$		ThUS$			ThUS$			ThUS$
Opening balance		24,900			610,264			244,831			11,195			19,498			11,105			7,356			129,028		27,038			36,643		165,054			2,938,287			4,225,199
Additions		-			28			833			-			41			15			-			-		489			-		263,290			1,448			266,144
Disposals		-			(38	)		(7,811	)		(51	)		-			-			-			-		(10	)		-		(6,582	)		(1,666	)		(16,158	)
Increase (decrease) in foreign currency translation difference		(64	)		(134	)		(8	)		(3	)		(19	)		(6	)		-			-		(11	)		-		-			(153	)		(398	)
Reclassifications		-			38,746			10,330			529			4,889			268			150			3,281		2,100			75		(184,095	)		123,726			(1	)
Other increases (decreases)		-			(147	)		(2,444	)		(2	)		47			(5	)		(1	)		-		349			212		(29,837	)		7,220			(24,608	)
Decreases for classification as held for sale		(141	)		-			-			-			-			-			-			-		-			-		-			-			(141	)
Total changes		(205	)		38,455			900			473			4,958			272			149			3,281		2,917			287		42,776			130,575			224,838
Closing balance		24,695			648,719			245,731			11,668			24,456			11,377			7,505			132,309		29,955			36,930		207,830			3,068,862			4,450,037

Reconciliation of changes in property, plant and equipment by class as of December 31, 2018, accumulated depreciation	Land		Buildings			Other property, plant and equipment			Transport equipment			Supplies and accessories			Equipment office			Network and communication equipment			Mining assets			IT equipment			Energy generating assets			Assets under construction		Machinery, plant and equipment			Property, plant and equipment
	ThUS$		ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$			ThUS$		ThUS$			ThUS$
Opening balance		-		(379,945	)		(219,969	)		(7,938	)		(17,626	)		(10,618	)		(6,306	)		(112,791	)		(23,637	)		(28,782	)		-		(1,988,233	)		(2,795,845	)
Disposals		-		38			7,737			8			-			-			-			-			10			-			-		1,722			9,515
Depreciation expense		-		(29,829	)		(7,415	)		(880	)		(2,056	)		(271	)		(483	)		(8,017	)		(1,374	)		(2,026	)		-		(158,900	)		(211,251	)
Impairment		-		(437	)		-			-			-			-			-			-			-			(12	)		-		(941	)		(1,390	)
Increase (decrease) in foreign currency translation difference		-		41			4			1			12			3			-			-			(1	)		-			-		61			121
Reclassifications		-		106			(483	)		-			(87	)		(17	)		(28	)		-			90			1			-		419			1
Other increases (decreases)		-		115			2,570			33			23			39			4			-			(63	)		6			-		908			3,635
Total changes		-		(29,966	)		2,413			(838	)		(2,108	)		(246	)		(507	)		(8,017	)		(1,338	)		(2,031	)		-		(156,731	)		(199,369	)
Closing balance		-		(409,911	)		(217,556	)		(8,776	)		(19,734	)		(10,864	)		(6,813	)		(120,808	)		(24,975	)		(30,813	)		-		(2,144,964	)		(2,995,214	)