Rockcliff Copper (TSX.V: RCU) adds more high grade zinc resources to its diversified mineral portfolio. With a world-wide zinc shortage looming, RCU signed a new option agreement with Hudson Bay Mining and Smelting Co. to earn up to 100% interest in the zinc-rich Bur Project. Located in the prolific Snow Lake greenstone belt, the Bur Project hosts historic grades, under NI 43-101, between 8.6% and 9% zinc. Click here for the Press Release. Click here for the Presentation.