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2 results for “mine closure bond” in Mining
Mining · 5 August 2026
Grade, Cut-off and the Arithmetic of an Open Pit
A gold mine is not a hole with gold in it. It is a spreadsheet with a hole attached — and the single number that decides which rock is ore and which rock is waste moves every time the price does. ·…
Amara Okonjo · 16 min read
Mining · 22 May 2026
The Other Supply Chain: Artisanal Mining and the Mercury Problem
…— but each shifts risk rather than eliminating it. · Traceability schemes work only where miners can actually access a legal buyer at a fair price. · What is artisanal and small-scale gold mining? ASGM refers to mining carried out by individuals or small groups using low-mechanis…
Amara Okonjo · 12 min read
