WoW Archaeology Profession Walkthrough: "There are 12 fields of research players can explore, each relating to a race in the game, ie. Troll, Night Elf, Dwarf, Tol’Vir. Using the Survey skill players need to gather Archaeology Fragments of one type, ie. Dwarf Archaeology Fragment, from Archaeology Finds of the same type. They can then Solve the current stage of this race’s research and will receive an item upon doing so.
Follow link for more