SALVADORA PROJECT EXPLORATION UPDATE TSX-V: RUG Vancouver, B.C., March 28, 2022 (GLOBE NEWSWIRE) -- Rugby Mining Limited (“Rugby” or the “Company”) (TSX-V: RUG) is pleased to report that exploration on the Salvadora silver-copper project in Chile has identified three additional zones of gold, silver and copper mineralisation similar to that on the Silverado prospect.