MineArchiveM-I SWACO
A Schlumberger oilfield-services company that operated Foss Mine in its later years, extracting around 40,000 tonnes of baryte annually.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Foss Mine | Perth and Kinross | 1984–2021 |
Record created: 23 August 2026 · Last researched: 23 August 2026