Subiaco-based Gryphon Minerals will ramp up exploration work at its Banfora gold project in Burkina Faso after it today said it had raised $20 million through a share placement.

Subiaco-based Gryphon Minerals will ramp up exploration work at its Banfora gold project in Burkina Faso after it today said it had raised $20 million through a share placement.