Great Western Minerals Group Ltd (GWMG) is seeking a partner to cooperate on the construction of a rare earths separation plant in South Africa, the Canada-based company said.GWMG is planning to build a separation plant to process mixed rare earth chloride extracted for the companys Steenkampskraal mining project in South AfricaThe company said it was contemplating a number of ways of structuring the deal with a potential new partner, with a focus on gaining separation expertise.One option is an off-take...