St George Mining has linked up with a globally-leading European rare earths processing firm to conduct testing on the company's hard-rock rare earths material at its blockbuster Araxá project, in the Brazilian State of Minas Gerais. Management has signed a memorandum of understanding with the industry-leading Spanish engineering firm, Tecnicas Reunidas S.A, to process samples from the high-grade Araxá resource to produce a mixed rare earth carbonate.