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Read authoritative articles, technical papers, and presentations on a wide range of resource development and environmental issues.
This issue presents metallurgical and mineral processing perspectives from our global consulting work.
SRK conducted heterogeneity analyses on over half a million sample intervals within geological and mining domains at a polymetallic underground operation to evaluate pre-concentration potential as part of a broader economic assessment.
SRK applies a staged assessment—initially estimating value through heterogeneity analysis and later refining results with test data and potential mine plan optimisation—to determine how pre-concentration can most effectively enhance project value.
Pre-concentration leverages coarse ore heterogeneity to reduce downstream processing costs and impacts, with SRK developing sample laboratory protocols to evaluate its potential early and cost-effectively.
SRK evaluates multiple mine planning scenarios and uses laboratory characterisation and dynamic simulation to optimise pre-concentration circuit design, quantify value from early waste rejection, and support implementation tailored to each orebody.