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Understanding Ore Characteristics: New Pathways to Processing

Adrian Dance - 18 février 2026

This issue presents metallurgical and mineral processing perspectives from our global consulting work.

TAGS: pre-concentration economics, geometallurgy, cut-off grade, Keliber Lithium, nickel laterite, XRT sensors
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Case Study in Grade Heterogeneity

Bob McCarthy - 18 février 2026

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.

TAGS: cut-off grade, pit optimization, waste in ore, pre-concentration strategies
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Pre-concentration Evaluation Economics

Bob McCarthy - 18 février 2026

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.

TAGS: cut-off grade, laboratory test data, underground stopes
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SRK Pre-concentration Lab Test Protocol

Adrian Dance - 18 février 2026

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.

TAGS: high-grade particles, hardness testing, heterogeneous properties, geometallurgy modelling
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Pre-concentration Circuit Simulations

Adrian Dance - 18 février 2026

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.

TAGS: reduced dilution, particle sorting, discrete event modelling
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