Perth-based gold explorer Sub-Sahara Resources NL has increased its stake in the Zara joint venture project, a gold licence in northern Eritrea, to 69 per cent after spending around $4.1 million on exploration.

Perth-based gold explorer Sub-Sahara Resources NL has increased its stake in the Zara joint venture project, a gold licence in northern Eritrea, to 69 per cent after spending around $4.1 million on exploration.