VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 03/19/13 -- Constantine Metal Resources Ltd. (TSX VENTURE: CEM) ("Constantine" or the "Company") is pleased to announce that the TSX Venture Exchange Inc. has accepted for filing an Option and Joint Venture Agreement (the "Agreement") between Constantine and Dowa Metals & Mining Co., Ltd. ("Dowa") dated February 1, 2013.
Under the Agreement, Constantine has granted Dowa an
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