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7 results for “cyanide code mining” in Industry
Industry · 7 August 2026
After the Cyanide
…ast shift is the part of the industry with the longest timeline and the least coverage. · Cyanide is used because it is the only reagent that dissolves gold selectively at industrial scale and low cost; the risk lies in handling and storage, not in the chemistry being exotic. · F…
Tomas Herrera · 16 min read
Industry · 28 July 2026
Urban Mining: The Richest Gold Ore on Earth Is in Your Old Phone
…t tonnage, is what makes an ore economic — and e-waste is extraordinarily concentrated by mining standards. · The bottleneck is collection and logistics, not metallurgy; the chemistry has been solved for decades. · Informal backyard recovery captures a fraction of the gold while…
Tomas Herrera · 16 min read
Industry · 2 July 2026
Nine Nines: Inside a Modern Gold Refinery
…not look like money. It looks like a dirty brick: pitted, grey-gold, stamped with a mine code and a weight in a hand-punched font. This is doré, the semi-refined alloy poured at the mine site, and depending on the geology behind it, somewhere between seventy and ninety per cent…
Tomas Herrera · 19 min read
Industry · 20 August 2026
The Refiner's Ledger
…through its supply chain, identify red flags such as sourcing from armed-group-controlled mining areas or the use of intermediaries with no verifiable operations, and refuse or investigate further any material that cannot be adequately traced. Independent third-party auditors per…
Tomas Herrera · 17 min read
Industry · 4 August 2026
The Gold Inside Your Phone
…decade mission life without the possibility of manual intervention. · The ethics of urban mining · The rise of 'urban mining' — the recovery of gold and other metals from electronic waste — has brought new focus to the ethical and environmental standards of the recycling industry…
Tomas Herrera · 18 min read
Industry · 6 August 2026
The Scrap Trade
…y of the scrap trade mirrors the geography of gold ownership rather than the geography of mining. India, the Middle East, Turkey and East Asia — regions with deep cultural traditions of holding wealth in jewellery — supply the largest volumes, because households there hold gold i…
Ingrid Sørensen · 16 min read
Industry · 7 August 2026
How Fake Gold Is Detected
Counterfeiting gold is not about making something that looks right. It is about defeating a specific test, and the industry's defences are an escalating conversation between forgers and instruments. ·…
Tomas Herrera · 16 min read
