I hadn't noticed that map before. It looks like it's based on chip samples which explains why the values are high. You tend to collect and test samples with obvious copper mineralization. The red dash indicates a large area where the Chalcopyrite(copper ore) is greater than the pyrite(not economic iron sulphide aka fools gold). CUU was never able to drill a core with good mineralization over a long length that far north. Looks like Teck will poke a hole or two sometime.