The lucky break
A Glasgow doctor who, with his brother Robert and John MacArthur, acquired refractory gold ore in 1885 and began the experiments that led to the cyanide process.1
Legacy
Co-named in the MacArthur-Forrest cyanide process, which transformed Witwatersrand gold recovery from 1890.1
Story cards
Timeline
Where next
Sources
- MacArthur papers: John Stewart MacArthur Balliol College Archives, Oxford
- Cyanide hazards to plants and animals from gold mining and related water issues (publication page) US Geological Survey
Pictures on this page: Jsmacarthur-X-007r.jpg, Elliott & Fry according to verso jsmacarthur-X-007v on flickr (Public domain).
From the Prospector Trails mining history dataset: each fact links to the source it was checked against. Figures are as the source gives them, in the money of their day. Not investment advice.
Keep exploring
Stories with these minerals




All mining storiesThe world runs on rockAll mineralsMining by country
Pictures: Pangkalpinang. Mijn 3b. Een reeks koelies bezig met het transporteeren van grond, Europeana (Public Domain Mark 1.0); Timna in de Negevwoestijn; rotspartij "de zuilen van Salomo", Poll, Willem van de / Europeana (Public Domain Mark 1.0); Mijnramp Bois du Caizier, Marcinelle, België. Schacht, Rossem, Wim van / Anefo / Europeana (Public Domain Mark 1.0); NASA's ASTER Shows Brazilian City After Dam Disaster, NASA/METI/AIST/Japan Space Systems, and U.S./Japan ASTER Science Team (Public domain (NASA media, no copyright)).
