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The dimension of the mineralisation suits open pit mining methods with a low strip ratio. The mineralisation is exposed at surface eliminating the need for expensive stripping of barren overburden. The low strip ratio of less than 1:1 and low mining rates of less than 1 million tonne per annum results in a small fleet of mining equipment. The deposit is approximately 15 km from the Stuart Highway. This minimises the cost of the access haul road.
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Beneficiation test work and pilot plant scale operations have proven that heavy media separation is an effective way to remove waste materials from the Nolans mineralisation. This process involves crushing and screening the run of mine mineralisation before processing through heavy media. This process is important as the optimum rejection of waste in the plants will allow:
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