British Portland Cement Manufacturers
The cement combine, later trading as Blue Circle, which bought Magheramorne in 1911 and began building a cement plant there immediately; it ran the works through four rotary kilns until the last was shut down in 1980, and continued grinding imported clinker on the site until 1984.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Magheramorne Quarry | County Antrim | 1911–1980 |
Record created: 3 September 2026 · Last researched: 3 September 2026