mineral processing black sands gold in australia

It appears none of the gold prospectors spend nor time or money on assaying their black sands for gold value determination Instead they use a rare earth magnet to tells them what is in there and see that most of the gold is magnetite with sometimes hematite What little remains goes under the microscope where I see that it is a mix of wolframite scheelite and zircon Could there be some ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.