VANCOUVER, BRITISH COLUMBIA — (Marketwired) — 11/06/13 — Discovery Ventures Inc. (TSX VENTURE: DVN) ("Discovery") and Roca Mines Inc. ("Roca") are pleased to jointly announce they have entered into a binding letter agreement dated November 4, 2013 (the "Agreement") with each other and FortyTwo Metals Inc., a wholly-owned subsidiary of Roca ("FortyTwo"), whereby Roca granted an exclusive option to Discovery to acquire all of the issued and outstanding