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6 results for “tailings dam failure” in Industry
Industry · 7 August 2026
After the Cyanide
…als meet air and water, and can run for centuries without intervention. · Upstream-raised tailings dams — built on their own deposited waste — carry the worst failure record and are now banned or being phased out in several jurisdictions. · Closure liabilities are supposed to be…
Tomas Herrera · 17 min read
Industry · 7 August 2026
How Fake Gold Is Detected
…elements present and quantifies them well. It takes seconds, requires no preparation, and damages nothing, which is why every serious dealing room owns one. · Its limitation is not a calibration problem to be solved but a physical one. The exciting radiation penetrates only tens…
Tomas Herrera · 15 min read
Industry · 4 August 2026
The Gold Inside Your Phone
…that must survive the field, connections that must be separable, and applications where a failure costs more than the entire metal budget of a factory. That residue is small, but it is unusually stable. · Why a designer ignores the gold price At a few dollars per handset, gold is…
Tomas Herrera · 15 min read
Industry · 28 July 2026
Urban Mining: The Richest Gold Ore on Earth Is in Your Old Phone
…the price moves sharply, jewellery scrap and industrial recovery flows rise within weeks, damping the move. That responsiveness is why refinery feedstock composition is a genuinely useful market indicator, and why refiners watch scrap arrivals the way a retailer watches footfall.…
Tomas Herrera · 13 min read
Industry · 2 July 2026
Nine Nines: Inside a Modern Gold Refinery
A doré bar arrives at 85 per cent purity and leaves at 99.99. Between those two numbers sit chlorine gas, aqua regia, an electrolytic cell and a chain of custody that is now as valuable as the metal i…
Tomas Herrera · 12 min read
Industry · 6 August 2026
The Scrap Trade
Roughly a quarter of the world's annual gold supply has been gold before. It arrives as broken chains, single earrings and dental crowns, and it moves through a chain of intermediaries that most selle…
Ingrid Sørensen · 15 min read
