Calvista Intersects 17.15 g/t gold over 4.00 meters and 11.34 g/t gold over 7.00 metres at Its Buenavista Prospect

TORONTO, ONTARIO--(Marketwire - July 25, 2012) - Calvista Gold Corporation (TSX:CVZ)(OTCQX:CAGOF) ("Calvista" or the "Company") is pleased to announce that recent drilling at its Buenavista prospect, along strike from AUX Canada Acquisition Inc. Aserradero mineralized zones, has returned high grade...