Gold miner Ramelius Resources has gained a 90% foothold in takeover target Explaurum, with the offer to close on February 22. Ramelius in December increased its offer for Explaurum by 2c a share in cash, and was offering Explaurum shareholders one of its own shares for every four Explaurum shares held, as well as 2c a share in cash for every Explaurum share held.