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3 results for “surface plasmon resonance” in Mining
Mining · 19 August 2026
Nine Grams a Tonne
…ise waste rock and tailings, treat any residual water contamination, and rehabilitate the surface, funded by a closure bond posted before mining even begins. In practice, closure costs are frequently underestimated at the planning stage, and several major historical mine closures…
Amara Okonjo · 18 min read
Mining · 22 May 2026
The Other Supply Chain: Artisanal Mining and the Mercury Problem
…out, usually by hand with hammers and chisels in the smallest operations, dragged to the surface, and then crushed — traditionally by hand with heavy stones or increasingly with small diesel-powered stamp mills — before any separation can begin. This is dramatically more labour-…
Amara Okonjo · 15 min read
Mining · 5 August 2026
Grade, Cut-off and the Arithmetic of an Open Pit
…its life-of-mine average, because there is simply less overlying waste to remove near the surface. Cash costs in these early years look excellent, margins are strong, and the operation is, on paper, one of the better assets in its peer group. · By year eight, the pit has deepened…
Amara Okonjo · 20 min read
