Red Hill made the decision after it was unable to reach an agreement on further developing the project with an entity involving Aquila Resources and POSCO.
The North African nation recorded production of 30.3 tons between January and the end of June, compared with 15.6 tons in the same period the year before.
The covid-19 pandemic increased the level of cyber risk because it pushed miners to quickly restructure the way they operate, as the need for systems that support remote working and automation became urgent.