Amerigo Resources (ARG.to) is a copper producer with a very different (and smart) business. It takes the tailings from Codelco's El Teniente copper mine and re-processes them, pays a royalty to Codelco for the pleasure and sells the resulting copper and moly. It has been a very successful model and is one of those small copper producers that is always on my radar. It's also smart enough as a company to be a minority shareholder in Candente (DNT.to).
ARG.to published these two press releases that made good reading for shareholders. Cutting away the blah blah, the important points were the production numbers of: