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3 results for “LBMA accreditation” in Mining
Mining · 22 May 2026
The Other Supply Chain: Artisanal Mining and the Mercury Problem
…, jewellery brands face consumer and regulatory scrutiny, and an accredited refiner risks accreditation by accepting undocumented material. The result is a set of certified supply routes that pay a premium for gold with a verified origin. · These routes work, at limited scale, an…
Amara Okonjo · 12 min read
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. · Mo…
Amara Okonjo · 16 min read
Mining · 19 August 2026
Nine Grams a Tonne
What does it actually cost to pull an ounce of gold out of the ground? The honest answer runs through grade decline, energy and water bills, permitting delays and the closure liabilities nobody prices…
Amara Okonjo · 20 min read
