Ankerite from selected localities.
UK | |
| Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 226-227. |
| Rocks & Min.: 15:57. |
| |
Dunham, K. C., (1990), Geology of the North Pennine Orefield, Vol. 1, British Geological Survey |