The company provided no details of the fatal accident but said the victim was an employee of its underground mining contractor.“Our deepest sympathies are extended to the family, friends and work colleagues, and our thoughts are with them during this sad time,” the company said in a brief statement.An investigation of the incident is underway.The company poured first gold at White Mountain at the end of October and the mine was officially opened on November 9, in a ceremony attended by the Australian Ambassador to China, Geoff Raby, as well as senior Chinese local and provincial government officials.