Placer Dome was purchased in 2006 by Barrick Gold , who has now been joined in the lawsuit .
The provincial government has just recently sued Marcopper 's parent company , Placer Dome , for $100 million in damages .
Placer Dome   was purchased in 2006 by Barrick Gold , who has now been joined in the lawsuit .
The provincial government has just recently sued Marcopper 's parent company , Placer Dome , for $100 million in damages .