What is the difference between a Preliminary Economic Assessment (PEA), a Prefeasibility Study (PFS) and a Final Feasibility Study (FFS)
Many investors who are new to investing in minerals exploration and mine development may be confused by the types of studies done by these companies and their importance. Endeavour Silver (EXK)(EDR.TO), which is a holding of mine, does a good job in explaining them. These three types of studies (PEA,