Drag to turn the globe
Events/Discovery · 1883
Copper-bearing rock found during Canadian Pacific Railway works at Sudbury
Discovery, 1883, Canada.
What happened
Tom Flanagan, a blacksmith for the railway construction crew, noticed copper-bearing rock on a hillside in 1883. The find led to the Murray Mine.1,2
Why it matters
Story cards
Around the same time
Where next
Sources
- Discovery Site of Sudbury Mining Camp (geotour sheet) Ontario Geological Survey / Ministry of Mines
- Greater Sudbury (item Q383434), coordinate location P625 Wikidata
- FROOD, THOMAS Dictionary of Canadian Biography
- Sudbury mining history University of Waterloo
- Annual Report on Form 20-F for 2025 Vale S.A. (SEC)
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



Current eventsThe DeepThe race for metal on the seabedAll mining storiesThe world runs on rockAll mineralsMining by country
Pictures: Elektrisk malmletning. Undersökningar på Billiton, 1920., Okänd / Europeana (Public Domain Mark 1.0); Falu gruva, Lundberg, Bengt A / Europeana (CC0 1.0).