Mining company
Compañía Minera Lomas Bayas
ChileRUT 78.512.520-7
Before the Superintendencia del Medio Ambiente (SMA) it holds one operation with published output. In the twelve months to August 2026 it produced 59.5 kt of fine copper, 1.2% of the country's copper.
Operations
1
it holds before the SMA
Copper, 12 months to August 2026
59.5 kt
1.2% of the country, at 100% of each operation
Owners
1
with a publishable source
Operations it holds
The environmental regulator (SMA) records it as the holder of most of the environmental permits of these operations. Copper is that of the whole operation. An operation whose regulated unit we have not linked yet is not on this list.
| Operation | Copper, 12 months | Of the country |
|---|---|---|
| Lomas BayasSMACochilco | 59.5 kt | 1.2% |
Owners
Who owns Compañía Minera Lomas Bayas, with the document that states it.
Mining concessions
SERNAGEOMINSERNAGEOMIN cadastre of current concessions.
120
current concessions
27,722ha
total area
109 constituted and 11 in process; 73 for exploitation and 47 for exploration.
- Sierra Gorda · Antofagasta120 concessions · 27,722 ha
Sites it operates
SERNAGEOMINSERNAGEOMIN register of mining sites and installations, by the operator's RUT.
1
sites
1
active
- Lomas BayasSierra Gorda · Antofagasta · activeSERNAGEOMIN
Lobbying meetings
InfoLobby, Ley 20.730Meetings recorded in InfoLobby (Law 20,730) it took part in.
17
meetings since Apr 25, 2023
- SERNAGEOMIN7
- SEA3
- Subsecretaría de Energía2
- Subsecretaría del Medio Ambiente2
- DGA1
and 2 more institutions
Counts by institution; officials' names are not published.
Mining patents
TGRTreasury register of mining-concession patents, file of October 2026.
186
concessions with a patent
$875,557,947
to pay in the period
667 payment forms in the file.
Frequently asked questions about Compañía Minera Lomas Bayas
Answers built from the same figures as this page, each with its source.
- What is the RUT of Compañía Minera Lomas Bayas?
- The RUT of Compañía Minera Lomas Bayas is 78.512.520-7; its registered name at the SII is COMPANIA MINERA LOMAS BAYAS. Its main activity, per the SII, is extracción y procesamiento de cobre. SIISII
- What mining concessions does Compañía Minera Lomas Bayas hold?
- According to the SERNAGEOMIN cadastre, Compañía Minera Lomas Bayas holds 120 mining concessions covering 27,722 ha: 73 for exploitation and 47 for exploration. They are in Sierra Gorda, Antofagasta. SERNAGEOMIN
- Which authorities has Compañía Minera Lomas Bayas met through lobbying?
- InfoLobby records 17 lobbying meetings in which Compañía Minera Lomas Bayas took part since Apr 25, 2023, mostly with SERNAGEOMIN (7), SEA (3) and Subsecretaría de Energía (2). InfoLobby, Ley 20.730
- Which mining sites does Compañía Minera Lomas Bayas operate?
- The SERNAGEOMIN register lists 1 site with Compañía Minera Lomas Bayas as operator (1 active), among them Lomas Bayas. SERNAGEOMIN
- Does Compañía Minera Lomas Bayas pay mining patents?
- Yes. The Treasury (TGR) file of October 2026 lists the patent of 186 mining concessions under Compañía Minera Lomas Bayas, with $875,557,947 to pay. TGR
Every figure is a count or a sum of the records of the cited source under this legal person (by its RUT or its name as verified with the SII); the icon opens the original document. Lobbying meetings are shown seven days late. Natural persons have no profile.
Holder: the legal person in whose name more than half of the environmental permits of the operation's regulated unit stand, according to its SMA file. Stakes are those the cited document states; they are not multiplied by output here.
What you will see about Compañía Minera Lomas Bayas when you sign up
The company's full profile inside Veta IQ, every record with its source.
- Its 120 mining concessions, one by one, with area, status and source
- The site it operates, with their SERNAGEOMIN register page
- Its 17 lobbying meetings by institution and year, and the latest with their subject
- Its mining patents (186 concessions): what is due, paid and owed by period
- Its ownership chain, with the percentage and source of each link
- Email alerts when something new about this company appears
- The AI assistant, which answers with the source of every figure (15 credits in the trial)
- Export to Excel (3 exports in the trial)
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- How much copper have the operations of Compañía Minera Lomas Bayas produced this year?
- Who owns Compañía Minera Lomas Bayas, and which companies does it hold stakes in?
- Which institutions has Compañía Minera Lomas Bayas met through lobbying, and about what?
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