Search
Search the whole magazine.
Full-text search across every article — headlines, decks, body copy, pull quotes, captions and FAQs — plus our editorial and legal policies.
2 results for “Troy ounce” in Mining
Mining · 5 August 2026
Grade, Cut-off and the Arithmetic of an Open Pit
…t model. Companies restate them annually; a lower price assumption can delete millions of ounces from a reported reserve without a single rock changing composition. · Stand on the rim of a modern open-pit gold mine and the first thing that fails is intuition about scale. The haul…
Amara Okonjo · 16 min read
Mining · 22 May 2026
The Other Supply Chain: Artisanal Mining and the Mercury Problem
A significant share of the world's gold is produced by people working with hand tools, informal finance and a neurotoxin. Formalisation is the stated solution. Nobody agrees on what it costs. · Artisa…
Amara Okonjo · 12 min read
