Alturas Signs LOI for two gold projects in the Maricunga belt in northern Chile

TORONTO, ONTARIO--(Marketwire - June 6, 2012) - Alturas Minerals Corp. (the "Company") (TSX VENTURE:ALT)(LMA:ALT) is pleased to report that it has entered into two Letters of Intent ("LOI") with Sociedad de Inversiones Gema Limitada ("Inversiones Gema" or the "Owner"), a...