Measuring 200m-deep and 50m in diameter, the sinkhole emerged above the underground operation on the Alcaparrosa copper mine.
Alcaparrosa is a part of the Ojos del Salado operation situated inside the Candelaria Copper Mining Advanced.
As a part of the newest plan, the Canadian agency intends to expel water leaked into the mine.
Lundin native unit president Luis Sanchez advised the information company that the research are in ‘decisive phases’ to find out the causes of the sinkhole and a ‘technical physique is already receiving all the knowledge to have the ability to draw conclusions’.
Nevertheless, whatever the research end result, Lundin is planning to fill the outlet utilizing supplies reminiscent of rocks and sand that maintain the identical traits as a riverbed. It plans to totally seal the mine’s affected half.
With out disclosing the overall value or quantity of fabric required, Sanchez mentioned the agency had already invested $10m to handle the problem.
Sanchez mentioned that originally, between 300 litres per second (l/s) and 330l/s of water had been leaking into the mine. The water leak degree, nevertheless, has now diminished to 10l/s -30l/s on account of sealing work.
Sanchez added: “We’re observing a constructive improvement within the restoration of the degrees within the aquifer and which means that we will look positively at this resolution and we will say that we’re not going through irreparable harm, as some authorities have indicated.”
As a part of the programme, the agency intends to pump 1.3 million cubic metres of water situated within the decrease ranges of the reservoir to different industrial customers within the space.