If you are concentrating on metals learn the terminology, learn how to quickly calculate tonnes from info released and what is a good grade. It is different for each metal. Watch the price of metals closely and don't get sucked into the use of parts per million which is sometimes used. 1000 ppm is just .1%. Research existing mining companies tonnage and grade values to get an idea of what a viable mine operates and if you can what there operating costs are.
