One worker at the Fame Stone Distributors Mine at Karibib died in a front loader accident on Monday morning.
Erongo police say that the man who died, Alfeus Heingo, 57, was a passenger on the front loader that rolled down a hill.
Heingo was certified dead on arrival at a Karibib medical facility.
The driver sustained minor injuries and was discharged from an Omaruru private health institution.
According to the police, the two were working on top of a mountainous terrain where marble blocks are being mined and processed.
The driver of the machine lost control of the machine that rolled down to the ground and threw out the two men.