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2 results for “central bank reserves” in Mining
Mining · 5 August 2026
Grade, Cut-off and the Arithmetic of an Open Pit
…oved per ore tonne — is often the difference between a viable pit and an abandoned one. · Reserves are the economically mineable subset of resources under a stated price assumption, and they are restated every year. · All-in sustaining cost excludes the capital that built the min…
Amara Okonjo · 16 min read
Mining · 22 May 2026
The Other Supply Chain: Artisanal Mining and the Mercury Problem
…es everything downstream. A miner earning daily needs to be paid daily. A miner without a bank account needs cash. A miner whose claim has no legal title cannot borrow against it, so equipment is financed by the buyer — who then sets the price. The informal buyer at the roadside…
Amara Okonjo · 12 min read
