By Reuters Staff 2 Min Read FILE PHOTO: Souvenir luggage tags are displayed at a Barrick Gold Corp at the Prospectors and Developers Association of Canada (PDAC) annual conference in Toronto, Ontario, Canada March 1, 2020. REUTERS/Chris Helgren/File Photo MELBOURNE (Reuters) - A Papua New Guinea court is set to rule next month on whether Barrick Gold Corp can proceed with a legal challenge over the government’s refusal to extend its lease on the Porgera gold mine, the head of the country’s mining regulator said. Papua New Guinea (PNG) said last month it would take control of the lucrative but troubled mine in the remote highlands region, citing environmental and social problems.