Marcasite from selected localities.
UK | |
| B Young,, E K Hyslop and R A Fairbairn . Journal of the Russell Soc 6(2), 97 (1996) |
| No reference listed |
No reference listed | |
| Paul Render |
Dunham, K. C., (1990), Geology of the North Pennine Orefield, Vol. 1, British Geological Survey |