On his second voyage , Frobisher found what he thought was gold ore and carried 200 tons of it home on three ships , where initial assaying determined it to be worth a profit of # 5.2 per ton .
On his second voyage , Frobisher found what he thought was gold ore and carried 200 tons of it home on three ships , where initial assaying determined it to be worth a profit of # 5.1 per ton .