TORONTO, ONTARIO--(Marketwired - Dec 15, 2014) - YAMANA GOLD INC. (YRI.TO) (AUY) ("Yamana" or "the Company") today announced a new vein discovered at El Peñón and the best drill intersections in the history of Chapada, immediately west of the main pit. At El Peñón the new north-south vein, named Ventura, is expected to lead to expansion of the mineral resource base at what appears to be high grades. The results at Chapada, from the newly discovered mineralization named Sucupira, continue to support the potential of a much larger district of mineralization, which could also significantly expand mineral resources. In both...