Goldplay Exploration Ltd. (GPLY:TSX.V; GLYZF:OTCQB) announced additional results from sampling of the historical core drill holes, completed in 2010, from the company's San Marcial Project in Mexico.Goldplay "confirmed upside potential for resource expansion with advancement of the sampling program, new 3D geological modelling and discovery of new precious and base metals mineralization at San Marcial," the company reported. "The new results expand known mineralization 200 meters down dip beyond the historic NI 43-101 resource area and also delineate a new discovery subparallel to the main mineralized zone, increasing . . .