The commission into the deaths at Lonmin's Marikana platinum mine in August 2012 concluded the plan to quell the massive protest was “defective,” and shouldn't have been executed as such.
The company recently acquired a treasure trove of data through its acquisition of the Sigma-Lamaque Mine and Milling Facility near its Lamaque South discovery.
The cuts at the Adelaide support office for the Olympic Dam operations come about six months after BHP scrapped about 90 permanent positions and 210 contractor jobs.
The committee will be chaired by the Chief Inspector of Mines and includes an equal number of representatives nominated by First Nations, mine labour unions and industry.
Gold edged lower on Wednesday as the dollar pared earlier losses versus the euro, while traders took to the sidelines to await news on Greece's negotiations with its international lenders to avoid default.
The companies, which bargain collectively under the country’s Chamber of Mines, are already battling low metal prices and mounting electricity costs amid power outages.