Horizon Minerals and mega gold miner, Northern Star Resources, have put the final ink on an agreement for a straight swap of mining and exploration tenements, which will strengthen Horizon’s gold project holdings near Kalgoorlie and Coolgardie in the WA Goldfields region. Horizon will secure three gold projects near Coolgardie and four projects near Kalgoorlie, including Golden Ridge which has produced over 253,000 ounces of gold.