WEST PERTH, AUSTRALIA--(Marketwire - Nov 29, 2012) - Peak Resources Limited ("Peak" or "the Company") (ASX: PEK) (OTCQX: PKRLY), the developer of a potentially low cost, long term rare earth project in Tanzania, today announced that it has developed a process to physically upgrade the rare earth mineralization from its Ngualla Project in Tanzania, resulting in reduced capital and operating costs.