Michilla
Mine with plantCobreMejillones, AntofagastaActive
Site ID 20104418 · 37 installations in the register
Installations
What the register lists at this site, grouped by function.
8Extraction7Process plants8Dumps and deposits3Water1Ports and transportExtraction8
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Mina Falla Condell (Rajo Sur) | Open-pit mine | Activa | 800 m a.s.l. | -22.7313, -70.2371 | SERNAGEOMIN |
| Mina Lince Fase 15-B | Open-pit mine | Activa | 860 m a.s.l. | -22.6726, -70.1664 | SERNAGEOMIN |
| Mina La Reina | Open-pit mine | Cierre temporal | 1,101 m a.s.l. | -22.5988, -70.1076 | SERNAGEOMIN |
| Mina Lince Fase 15-A | Open-pit mine | Cierre temporal | 860 m a.s.l. | -22.6882, -70.1681 | SERNAGEOMIN |
| Mina Nucleo X | Open-pit mine | Inactiva | 835 m a.s.l. | -22.6793, -70.2083 | SERNAGEOMIN |
| Mina Rajos Susana Este Fase Norte y Fase Sur | Open-pit mine | Inactiva | 875 m a.s.l. | -22.6688, -70.1598 | SERNAGEOMIN |
| Mina Estefania | Underground mine | Inactiva | 830 m a.s.l. | -22.6768, -70.1729 | SERNAGEOMIN |
| Mina Polo Nucleo | Underground mine | Inactiva | 835 m a.s.l. | -22.7112, -70.1721 | SERNAGEOMIN |
Process plants7
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Aglomerado | Agglomeration | Activa | 778 m a.s.l. | -22.6857, -70.1832 | SERNAGEOMIN |
| Planta EW | Electrowinning (EW) | Activa | 830 m a.s.l. | -22.6522, -70.1884 | SERNAGEOMIN |
| Pilas y Piscinas de Lixiviación | Leaching | Activa | 830 m a.s.l. | -22.6879, -70.1962 | SERNAGEOMIN |
| Chancado Primario | Crushing plant | Activa | 807 m a.s.l. | -22.6841, -70.1806 | SERNAGEOMIN |
| Planta de Chancado Fino | Crushing plant | Activa | 286 m a.s.l. | -22.6877, -70.1826 | SERNAGEOMIN |
| Planta Procesamiento Mineral Ore Sorting | Concentrator | Activa | 800 m a.s.l. | -22.6882, -70.1681 | SERNAGEOMIN |
| Planta SX | Solvent extraction plant (SX) | Activa | 766 m a.s.l. | -22.6797, -70.1875 | SERNAGEOMIN |
Dumps and deposits8
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Botadero - Lince | Waste rock dump | Activa | 830 m a.s.l. | -22.6898, -70.1835 | SERNAGEOMIN |
| Botadero Falla Condell | Waste rock dump | Activa | 800 m a.s.l. | -22.7213, -70.2249 | SERNAGEOMIN |
| Botadero Fase 15B Lince | Waste rock dump | Activa | 915 m a.s.l. | -22.6716, -70.1695 | SERNAGEOMIN |
| Botadero de Ripios | Spent leach ore dump | Activa | 780 m a.s.l. | -22.6997, -70.1904 | SERNAGEOMIN |
| Botadero Apendice Sur | Waste rock dump | Inactiva | 800 m a.s.l. | -22.6898, -70.1766 | SERNAGEOMIN |
| Botadero Este La Reina | Waste rock dump | Cierre temporal | 980 m a.s.l. | -22.6066, -70.1065 | SERNAGEOMIN |
| Botadero Noroeste La Reina | Waste rock dump | Cierre temporal | 1,139 m a.s.l. | -22.5978, -70.1167 | SERNAGEOMIN |
| Botadero Susana Este | Waste rock dump | Inactiva | 920 m a.s.l. | -22.6705, -70.1583 | SERNAGEOMIN |
Water3
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Patio Estanque | Water pipeline | Activa | 791 m a.s.l. | -22.6828, -70.1899 | SERNAGEOMIN |
| Planta de Osmosis | Reverse osmosis plant | Activa | 798 m a.s.l. | -22.6870, -70.1876 | SERNAGEOMIN |
| Planta Desaladora | Reverse osmosis plant | Activa | 787 m a.s.l. | -22.6835, -70.1883 | SERNAGEOMIN |
Ports and transport1
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Centro Manejo de Residuos | Stockyard | Activa | 768 m a.s.l. | -22.6928, -70.1785 | SERNAGEOMIN |
Support8
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Administración Oficina | Administration and offices | Activa | 760 m a.s.l. | -22.6772, -70.1872 | SERNAGEOMIN |
| Geología -Muestrera | Administration and offices | Activa | 762 m a.s.l. | -22.6770, -70.1865 | SERNAGEOMIN |
| Bodega Central | Warehouse | Activa | 775 m a.s.l. | -22.6771, -70.1892 | SERNAGEOMIN |
| Planta Piloto | Sample room and laboratory | Activa | 778 m a.s.l. | -22.6781, -70.1864 | SERNAGEOMIN |
| Polvorin | Explosives magazine | Activa | 976 m a.s.l. | -22.6683, -70.1763 | SERNAGEOMIN |
| Mantención Planta | Workshops | Activa | 765 m a.s.l. | -22.6771, -70.1892 | SERNAGEOMIN |
| Taller Mantención Contratista | Workshops | Activa | 781 m a.s.l. | -22.6161, -70.1795 | SERNAGEOMIN |
| Taller Mantención Mina | Workshops | Eliminado | 779 m a.s.l. | -22.6830, -70.1752 | SERNAGEOMIN |
Other2
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Descarga de Ácido Sulfúrico | Not stated | Activa | 822 m a.s.l. | -22.6825, -70.1840 | SERNAGEOMIN |
| Patio de Cátodos | Not stated | Activa | 765 m a.s.l. | -22.6796, -70.1887 | SERNAGEOMIN |
Air emissions
What the establishment tied to this site declares to the Ministry of the Environment's RETC: tonnes a year by pollutant.
Minera HMC S.A.-Faena Michilla · Minera HMC S.A.
Tied to this site because its holder operates it and it lies 6.9 km away. Sources: Caldera Agua Caliente, Caldera Industrial, Grupo electrógeno, Grupo Electrógeno, Grupo Electrógeno IVSP
| Year | CO₂ | SO₂ | NOx | PM10 | Hg | As | Pb | RETC |
|---|---|---|---|---|---|---|---|---|
| 2025 | 630 t | 1.09 t* | 16.8 t | 1.19 t | 0 t | 0 t | 0 t | Ministerio del Medio Ambie… |
| 2024 | 412 t | 710 kg* | 11 t | 776 kg | 0 t | 0 t | 0 t | Ministerio del Medio Ambie… |
| 2023 | 3,013 t | 724 kg* | 13.5 t | 1.04 t | 1 g | 54 g | 123 g | Ministerio del Medio Ambie… |
| 2022 | 448 t | 0 t | 12 t | 0 t | 0 t | 0 t | 67 g | Ministerio del Medio Ambie… |
| 2021 | 142 t | 0 t | 3.8 t | 0 t | 0 t | 0 t | 0 t | Ministerio del Medio Ambie… |
| 2020 | 54 t | 36 g | 933 kg | 2 kg | 0 t | 0 t | 1 g | Ministerio del Medio Ambie… |
* Includes the Ministry's own estimates, not only what the establishment declared.
Source: RETC, Ministry of the Environment (Creative Commons Attribution). Emissions declared by the establishment under D.S. 138, added up over all its sources. All sites and the country's ranking are in Emissions.
Status changes
7 installations changed status between April 2025 and today, according to the dated copies of the register.
- Mina lince fase 15-a· Mina rajo abiertoActiva → Inactiva → Cierre temporalSERNAGEOMIN
- Mina la reina· Mina rajo abiertoActiva → Inactiva → Cierre temporalSERNAGEOMIN
- Botadero este la reina· Depósito rmm - estérilesActiva → Inactiva → Cierre temporalSERNAGEOMIN
- Botadero noroeste la reina· Depósito rmm - estérilesActiva → Inactiva → Cierre temporalSERNAGEOMIN
- Mina rajos susana este fase norte y fase sur· Mina rajo abiertoActiva → InactivaSERNAGEOMIN
- Botadero susana este· Depósito rmm - estérilesActiva → InactivaSERNAGEOMIN
- Botadero apendice sur· Depósito rmm - estérilesActiva → InactivaSERNAGEOMIN
Source: SERNAGEOMIN, copies of the register of installations of 8 April, 8 September and 26 November 2025, compared with today's register. Referential: a change in the register does not always match the date of the event.
Deposits nearby
Deposits and prospects of SERNAGEOMIN's national database within 15 km of this operation, nearest first.
Susana· Cu· 0.3 km awaySERNAGEOMIN
Small · Mined
- Reserve: Probadas: 2400000 t · 1,5 % Cu · 1984
Gambetta· Cu· 2.1 km awaySERNAGEOMIN
Small · Mined
- Resource: Inferido: 12500 t · 1964
- Reserve: Probadas: 2572 t · 1944
- Reserve: Probables: 17270 t · 2,5 - 3 % Cu Mina Gambetta · 1944
Rio Tinto· Cu· 3.3 km awaySERNAGEOMIN
Small · In exploration
Buena Vista· Cu· 3.9 km awaySERNAGEOMIN
Small · Mined
- Resource: Inferido: 128000 t · 3 - 5 % Cu · 1944
- Reserve: Probadas: 2880 t · 3 - 5 % Cu · 1944
- Reserve: Probables: 28100 t · 3 - 5 % Cu · 1944
Polo Artico y Polo Norte· Cu· 4.7 km awaySERNAGEOMIN
Small · Mined
- Resource: Inferido: 250000 t · 2,6 % Cu · 1966
- Reserve: Probadas: 95158 t · 2,84 % Cu · 1966
- Reserve: Probables: 100000 t · 2,5 % Cu · 1966
Charnot· Cu· 7.4 km awaySERNAGEOMIN
Small · Mined
Puerto Arturo· Cu· 8.1 km awaySERNAGEOMIN
Small · Mined
- Resource: Inferido: 84950 t · 1944
- Reserve: Probadas: 15450 t · 1944
- Reserve: Probables: 20000 t · 2,5 % Cu · 1944
Carolina· Cu· 8.7 km awaySERNAGEOMIN
Small · Mined · Estratoligado de Cu (Tipo Manto)
- Resource: Medido: 45714 t · 2,68 % Cu · 1971
- Reserve: Probadas: 60000 t · 2,5 % Cu · 1971
- Reserve: Probables: 100000 t · 2,5 % Cu
de los toros· Cu· 8.9 km awaySERNAGEOMIN
Small · Mined
Eduardo· Cu· 9.2 km awaySERNAGEOMIN
Small · Mined
- Resource: Inferido: 9900 t · 3,0 % Cu · 1966
- Reserve: Probadas: 973 t · 3,0 % Cu · 1966
- Reserve: Probables: 675 t · 3,0 % Cu · 1966
Rosario· Cu· 9.3 km awaySERNAGEOMIN
Small · Mined
Florida· Cu· 9.3 km awaySERNAGEOMIN
Mined
- Resource: Inferido: 13905 t · 2 - 2,5 % Cu · 1944
- Reserve: Probadas: 486 t · 2 - 2,5 % Cu · 1944
- Reserve: Probables: 3273 t · 2 - 2,5 % Cu · 1944
Source: SERNAGEOMIN, national deposit database (SIA Yacimientos). Referential: the distance is between points and does not say who owns each deposit. Every deposit in the country is on Deposits.